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I sell 5 types of products: power points, test packages, worksheet packages, multiple choice questions and short answer questions. I sell products for 4 different courses: Grade 12 Chemistry, Grade 11 Chemistry, Grade 11 Physics and Grade 10 Science.

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I sell 5 types of products: power points, test packages, worksheet packages, multiple choice questions and short answer questions. I sell products for 4 different courses: Grade 12 Chemistry, Grade 11 Chemistry, Grade 11 Physics and Grade 10 Science.
Converting between moles, mass, molecules and atoms grade 11 chemistry power point WITH ANSWERS 13PG
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Converting between moles, mass, molecules and atoms grade 11 chemistry power point WITH ANSWERS 13PG

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This is a Power Point on converting between moles, mass, and particles. It teaches students how to convert between moles, mass, molecules, formula units, atoms and ions using mole hill. It involves using dimensional analysis to do the conversions instead of memorizing equations, which means students understand, and are more successful at converting between units. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 13 slides long and includes many solved sample problems on the topic. My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. My students have found these Power Points very helpful in understanding biology, chemistry, and physics during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
Percent Yield Stoichiometry Problems, Limiting Reactant Grade 11 Chemistry Power Point WITH ANSWERS
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Percent Yield Stoichiometry Problems, Limiting Reactant Grade 11 Chemistry Power Point WITH ANSWERS

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This is a Power Point on percent yield stoichiometry problems. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 16 slides long and includes many solved stoichiometry problems. It includes solving for percent yield, excess reactant, limiting reactant and solving for the amount of mols, molecules or grams of reactants or products formed. It also includes a practice quiz with full solutions. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in these Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
Acid Base Titrations, Neutralization, Equivalence Point Grade 11 Chemistry Power Point WITH ANSWERS
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Acid Base Titrations, Neutralization, Equivalence Point Grade 11 Chemistry Power Point WITH ANSWERS

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This is a Power Point on titrations, acid-base reactions, titration stoichiometry, endpoint, equivalence point, neutralization reactions and solving titration problems. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 15 slides long and includes solved titration problems. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
Calculating Mass Percent and Percent Composition Grade 11 Chemistry Power Point WITH ANSWERS (17PGS)
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Calculating Mass Percent and Percent Composition Grade 11 Chemistry Power Point WITH ANSWERS (17PGS)

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This is a Power Point on mass percent and percent composition. It also includes the law of definite proportions, solving for an elements mass percent, solving a compounds percentage composition, calculating percentage composition from mass data and calculating a compounds percent composition from a chemical formula. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 17 slides long and includes many solved sample problems on the topic. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
IDEAL GAS LAW POWER POINT MOLAR VOLUME Grade 11 Chemistry Power Point WITH ANSWERS (18 PAGES)
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IDEAL GAS LAW POWER POINT MOLAR VOLUME Grade 11 Chemistry Power Point WITH ANSWERS (18 PAGES)

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This is a Power Point on the ideal gas law. It also includes Gay-Lussac’s Law of combining volumes, Avogadro’s Law, molar volume of gases, using the ideal gas law to solve for pressure, volume, moles or temperature of a gas. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 18 slides long and includes solved sample problems on the topic. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
DOUBLE DISPLACEMENT REACTIONS POWER POINT Grade 11 Chemistry Power Point WITH ANSWERS (20 PG)
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DOUBLE DISPLACEMENT REACTIONS POWER POINT Grade 11 Chemistry Power Point WITH ANSWERS (20 PG)

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This is a Power Point on double displacement reactions. It includes predicting the products of double displacement reactions between two ionic compounds, double displacement reactions that produce a precipitate, double displacement reactions that produce a gas, double displacement reactions that produce water and predicting the solubility of an ionic compound. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 20 slides long and includes many examples of double displacement reactions. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
CALCULATING EMPIRICAL FORMULA Power Point Grade 11 Chemistry Power Point WITH ANSWERS 16 PGS
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CALCULATING EMPIRICAL FORMULA Power Point Grade 11 Chemistry Power Point WITH ANSWERS 16 PGS

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This is a Power Point on calculating empirical formulas. It includes solving for empirical formula, what is molecular formula, what is an empirical formula and the rules for calculating an empirical formula, It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 16 slides long and includes solved sample problems on the topic. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
DISSOLVING AND SOLUBILITY POWER POINT Grade 11 Chemistry Power Point WITH ANSWERS (18 PAGES)
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DISSOLVING AND SOLUBILITY POWER POINT Grade 11 Chemistry Power Point WITH ANSWERS (18 PAGES)

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This is a Power Point on dissolving and solubility. It includes the steps of dissolving, breaking forces in the solute, breaking forces in the solvent, formation of new attractive forces, like dissolves like, polar solutes, polar solvents, non-polar solutes, non-polar solvents, factors that affect the solubility of an ionic compound, how ion size and ion charge affect solubility. how temperature affects solubility, how size affects solubility, how pressure affects solubility, how temperature affects the rate of dissolving, how stirring affects the rate of dissolving, how particle size affects the rate of dissolving and solubility curves. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 18 slides long. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. I have over 140 Power Points for sale in my store, 40 worksheet packages, 100 test packages, 100 multiple choice packages and 70 short answer packages. I have Power Points, tests, quizzes, multiple choice questions, short answer questions and worksheets for every topic covered in grade 10 science, grade 11 chemistry, grade 11 physics and grade 12 chemistry! TTo assess my work, check out my 8 FREE PRODUCTS, which include Power Points, quizzes and tests! https://www.tes.com/teaching-resource/resource-12555615 (projectile motion Power Point) https://www.tes.com/teaching-resource/resource-12545047 (organic chemistry test) https://www.tes.com/teaching-resource/resource-12545057 (physics test uniform motion and vectors) https://www.tes.com/teaching-resource/resource-12545034 (naming compounds quiz) https://www.tes.com/teaching-resource/resource-12545028 (stoichiometry quiz) https://www.tes.com/teaching-resource/resource-12544990 (naming alkanes Power Point) https://www.tes.com/teaching-resource/resource-12544998 (limiting reactant stoichiometry Power Point) https://www.tes.com/teaching-resource/resource-12545007 (cell function and using microscope Power Point)
Molar Concentration, m/m%, m/v%, v/v%, ppm, ppb, Grade 11 Chemistry Power Point WITH ANSWERS (19PGS)
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Molar Concentration, m/m%, m/v%, v/v%, ppm, ppb, Grade 11 Chemistry Power Point WITH ANSWERS (19PGS)

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This is a Power Point on calculating concentrations (m/m%, m/v%, v/v%, ppm, ppb and molar concentration. It includes solving for mass-mass concentration, mass-volume concentration, volume-volume concentration, parts per million, parts per billion, solving for molar concentration and changing the concentration using c1v1 = c2v2. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 19 slides long and includes solved sample problems on the topic. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
CHEMICAL REACTIONS Synthesis Decomposition Grade 11 Chemistry Power Point WITH ANSWERS (19PG)
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CHEMICAL REACTIONS Synthesis Decomposition Grade 11 Chemistry Power Point WITH ANSWERS (19PG)

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This is a Power Point that describes synthesis reactions and decomposition reactions. It explains the topic using words, diagrams, gifs and has solved sample problems. The content is suitable for a grade 11 chemistry course. The Power Point is 19 slides long. My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
NAMING COMPOUNDS Acids, Polyatomic Ions Multivalent Grade 11 Chemistry Power Point WITH ANSWERS 24PG
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NAMING COMPOUNDS Acids, Polyatomic Ions Multivalent Grade 11 Chemistry Power Point WITH ANSWERS 24PG

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This is a Power Point on naming binary acids, naming oxy acids, naming polyatomic compounds, naming hydrates, naming hydrides, IUPAC naming, naming multivalent metals and determining the charge on a multivalent metal. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 24 slides long and includes many solved sample problems on the topic. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
NAMING COMPOUNDS and PREDICTING FORMULAS Grade 11 Chemistry Power Point WITH ANSWERS (14 PAGES)
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NAMING COMPOUNDS and PREDICTING FORMULAS Grade 11 Chemistry Power Point WITH ANSWERS (14 PAGES)

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This is a Power Point on naming ionic compounds, naming covalent compounds, predicting formulas of ionic compounds, crisscross rule and predicting formulas for covalent compounds. It explains the topic using words, diagrams and gifs. The content is suitable for a grade 11 chemistry course. The Power Point is 14 slides long and includes solved sample problems on the topic. My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. My students have found these Power Points very helpful in understanding physics and chemistry, during online classes and in person learning. The students find the fully solved sample problems extremely helpful in strengthening their math and problem-solving skills. The numerous gifs and diagrams are extremely effective at helping teachers explain and clarify the concepts presented in the Power Points. All the Power Points, worksheets, quizzes, and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
ORGANIC REACTIONS WITH ANSWERS Multiple Choice Grade 12 Chemistry Addition Elimination (14 PGS)
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ORGANIC REACTIONS WITH ANSWERS Multiple Choice Grade 12 Chemistry Addition Elimination (14 PGS)

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This product contains 14 pages of organic reactions multiple choice WITH ANSWERS. The topics include: condensation and hydrolysis reactions, oxidation and reduction reactions, reactions of aldehydes, ketones reactions, alcohol reactions, reactions of ethers, reactions of amines, amide reactions, carboxylic acids reactions, ester reactions, oxidation reactions, reduction reactions, condensation reactions, hydrolysis reactions and esterification. These chemistry multiple choice are in Microsoft word format, so they are editable and printable. They can be used for writing grade 12 chemistry tests and quizzes, making chemistry worksheets or for chemistry homework. They have been checked for mistakes and typos! My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. In my store I have multiple choice and short answer questions for every topic in Grade 11 Chemistry, Grade 11 Physics, Grade 10 Science and Grade 12 Chemistry. KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
Atomic Radius, Ionization Energy, Electronegativity Short Answer Grade 11 Chemistry (15 PGS)
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Atomic Radius, Ionization Energy, Electronegativity Short Answer Grade 11 Chemistry (15 PGS)

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This product contains 15 pages of periodic table & periodic trends short answer questions. These questions already have the marks assigned and have been separated into knowledge, application, thinking and communication questions. The topics include: the periodic table, explaining the trends for atomic radius, trend for ionization energy, trend for electron affinity, trend for electronegativity, ranking elements in order of increasing or decreasing atomic radius, ranking elements in order of increasing or decreasing ionization energy, ranking elements in order of decreasing or increasing electron affinity and ranking elements in order of decreasing or increasing electronegativity, determining the atom with the largest or smallest ionization energy, determining the atom with the largest or smallest electron affinity, determining the atom with the smallest or largest atomic radius and determining the atom with the greatest or lowest electron affinity, trend for element reactivity and an elements properties. These chemistry short answer questions are in Microsoft word format, so they are editable and printable. They can be used for writing grade 11 chemistry tests and quizzes, making chemistry worksheets or for chemistry homework. About 50% of the questions have answers provided. KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
FORCES FREE BODY DIAGRAMS Multiple Choice Grade 11 Physics WITH ANSWERS (15PG)
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FORCES FREE BODY DIAGRAMS Multiple Choice Grade 11 Physics WITH ANSWERS (15PG)

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This product contains 15 pages of physics FREE BODY DIAGRAMS multiple choice questions WITH ANSWERS. These physics multiple choice are in Microsoft word format, so they are editable and printable. They can be used for writing grade 11 physics quizzes and tests, making physics worksheets or for physics homework. The topics include using free body diagrams to solve for friction, net force or acceleration for objects on flat surfaces and incline planes and determining correct or incorrect free body diagrams for multiple scenarios. All multiple choice questions are in 12 font, times new roman, without text boxes and condensed into the least amount of space possible. All the multiple choice questions, short answer questions, Power Points, worksheets, quizzes, labs and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. In my store I have multiple choice and short answer questions for every topic in Grade 11 Chemistry, Grade 11 Physics, Grade 10 Science and Grade 12 Chemistry. KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
2 BIOLOGY TESTS Biology Unit Test Package Grade 10 Science Unit Test WITH ANSWERS #2
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2 BIOLOGY TESTS Biology Unit Test Package Grade 10 Science Unit Test WITH ANSWERS #2

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This is a test package for the biology unit for grade 10 science. It includes 2 biology tests WITH ANSWERS. Each biology test includes 10 biology multiple choice and 7 or 8 biology short answer questions. Each biology evaluation takes approximately one hour to complete. The topics on these biology assessments include: the cell cycle, cell division, cell theory, organelles, organs, tissues, organ systems, biological diagrams, cancer and specialized cells. The package contains multiple choice questions, short answer questions and is 14 pages long including the answer keys. My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. All the Power Points, quizzes, tests, multiple choice questions, short answer questions and worksheets that I post are properly formatted and ready to print. They have been checked for mistakes and typos! I have over 140 Power Points for sale in my store, 40 worksheet packages, 100 test packages, 100 multiple choice packages and 70 short answer packages. I have Power Points, tests, quizzes, multiple choice questions, short answer questions and worksheets for every topic covered in grade 10 science, grade 11 chemistry, grade 11 physics and grade 12 chemistry! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
CONSERVATION OF ENERGY Roller Coasters Pendulums Short Answer Grade 11 Physics
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CONSERVATION OF ENERGY Roller Coasters Pendulums Short Answer Grade 11 Physics

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This product contains 15 pages of physics short answer questions on the conservation of mechanical energy, from the work and energy unit of grade 11 physics. These questions DO NOT have answers. The topics include: Roller coaster problems, pendulum problems, transfer of gravitational potential energy to kinetic energy and vice versa, solving for mechanical energy, solving for kinetic energy, solving for gravitational potential energy, transfer of energy, conservative forces, conservation of energy. These physics short answer questions are in Microsoft word format, so they are editable and printable. They are suitable to use for writing grade 11 physics tests or quizzes, making physics worksheets or for physics homework. All the multiple choice questions, short answer questions, Power Points, worksheets, quizzes, labs and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. In my store I have multiple choice and short answer questions for every topic in Grade 11 Chemistry, Grade 11 Physics, Grade 10 Science and Grade 12 Chemistry. KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
GAS THEORY, DALTONS LAWS, GASES MOLAR MASS Short Answer Grade 11 Chemistry 16PG
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GAS THEORY, DALTONS LAWS, GASES MOLAR MASS Short Answer Grade 11 Chemistry 16PG

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This product contains 16 pages of gases short answer questions. The topics include: Gas theory, Kinetic Molecular Theory, Dalton’s Laws (solving for the partial pressure of a gas, total pressure of a gas mixture or mole fraction of a gas) converting between different units of pressure, calculating the molar mass of a gas, calculating the density of a gas and molar volume of a gas. About 50% of the questions in this product contain answers, but the rest do not. These chemistry short answer questions are in Microsoft word format, so they are editable and printable. They can be used for writing grade 11 chemistry tests and quizzes, making chemistry worksheets or for chemistry homework. They have been checked for mistakes and typos. All short answer questions are in 12 font, times new roman, without text boxes and condensed into the least amount of space possible. The short answer questions already have the marks assigned and have been separated into knowledge, application, thinking and communication questions. My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. In my store I have multiple choice and short answer questions for every topic in Grade 11 Chemistry, Grade 11 Physics, Grade 10 Science and Grade 12 Chemistry. KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
ISOTOPES MULTIPLE CHOICE Grade 11 Chemistry & S.A. Average Atomic Mass WITH ANSWERS (14PG)
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ISOTOPES MULTIPLE CHOICE Grade 11 Chemistry & S.A. Average Atomic Mass WITH ANSWERS (14PG)

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This product contains 14 pages of ISOTOPES and average atomic mass multiple choice and short answer questions WITH ANSWERS. These chemistry multiple choice and short answer are in Microsoft word format, so they are editable and printable. They can be used for writing grade 11 chemistry tests and quizzes, making chemistry worksheets or for chemistry homework. The topics include: Isotope theory, determining isotopes, calculating average atomic mass and isotopic abundance, calculating the relative abundance of an isotope or calculating the mass of an isotope. All the multiple choice questions, short answer questions, Power Points, worksheets, quizzes, labs and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. In my store I have over 140 Power Points for sale in my store, 40 worksheet packages, 100 test packages, 100 multiple choice packages and 70 short answer packages. I have Power Points, tests, quizzes, multiple choice questions, short answer questions and worksheets for every topic covered in grade 10 science, grade 11 chemistry, grade 11 physics and grade 12 chemistry! KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice
STRINGS, RESONANCE and STANDING WAVES Multiple Choice Grade 11 Physics WITH ANSWERS (16PG)
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STRINGS, RESONANCE and STANDING WAVES Multiple Choice Grade 11 Physics WITH ANSWERS (16PG)

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This product contains 16 pages of STANDING WAVES and RESONANCE multiple choice WITH ANSWERS. These mechanical waves physics multiple choice with answers are in Microsoft word format, so they are editable and printable. They are suitable to use for writing grade 11 physics tests or quizzes, making physics worksheets or for physics homework. The topics include: Waves in strings, resonance in strings, standing waves in strings, calculating wavelength or frequency of waves in strings, interference of waves, resultant wave, transverse waves, harmonics of strings, fundamental frequency, nodes and antinodes. There are theory multiple choice and calculation based multiple choice. All multiple choice questions are in 12 font, times new roman, without text boxes and condensed into the least amount of space possible. All the multiple choice questions, short answer questions, Power Points, worksheets, quizzes, labs and tests that I post are properly formatted and ready to print. They have been checked for mistakes and typos! My name is Darrin Mathewson and I have a PhD in organic chemistry. I have been teaching physics and chemistry for over 15 years. In my store I have multiple choice and short answer questions for every topic in Grade 11 Chemistry, Grade 11 Physics, Grade 10 Science and Grade 12 Chemistry. KEY WORD SEARCHES TO USE TO NAVIGATE MY STORE: type “grade 11 physics power point” to view grade 11 physics power points type “grade 11 chemistry power point” view grade 11 chemistry power points type “grade 12 chemistry power point” view grade 12 chemistry power points type “grade 10 science power point” to view grade 10 science power points type “test package grade 11 physics” to view grade 11 physics tests type “test package grade 11 chemistry” to view grade 11 chemistry tests type “test package grade 12 chemistry” to view grade 12 chemistry tests type “test package grade 10 science” to view grade 10 science tests type “worksheets grade 11 physics” to view grade 11 physics worksheets type “worksheets grade 11 chemistry” to view grade 11 chemistry worksheets type “worksheets grade 12 chemistry” to view grade 12 chemistry worksheets type “worksheets grade 10 science” to view grade 10 science worksheets type “short answer grade 11 physics” to view grade 11 physics short answer type “short answer grade 11 chemistry” view grade 11 chemistry short answer type “short answer grade 12 chemistry” view grade 12 chemistry short answer type “short answer grade 10 science” to view grade 10 science short answer type “multiple choice grade 11 physics” view grade 11 physics multiple choice type “multiple choice grade 10 science” view grade 10 science multiple choice type “multiple choice grade 11 chemistry” to view grade 11 chemistry multiple choice type “multiple choice grade 12 chemistry” to view grade 12 chemistry multiple choice