A simple worksheet that acts as a great introduction to nanotechnology, consisting of 24 questions with answers relating to the concepts of nanotechnology, the use in industry such as semiconductors and electronics, agriculture, textile, food, medicine and cosmetics, the uses of graphene as a nanoparticle with its physical and chemical properties. Green technology segment covers topics in waste management, industrial wastewater treatment, energy and electricity.

2 Worksheets consisting of 30 questions and answers with topics related to : redox in single displacement reactions redox in simple cell redox in the rusting of iron factors affecting the rate of rusting in iron experiments on the factors affecting the rate of rusting prevention of rust blast furnace Suited for students in Y10 and Y11.

2 Worksheets consisting of 30 questions and answers related to calculating average rate of reactions, instantaneous rate of reactions, determining factors affecting rate of reactions (concentration of reactants, temperature, presence of a catalyst, surface area of reactants) and understanding graphs related to the reaction. Suited for students in Y10 and Y11.

2 Worksheets consisting of 30 questions and answers with topics related to : redox in single displacement reactions redox in simple cell redox in the rusting of iron factors affecting the rate of rusting in iron experiments on the factors affecting the rate of rusting prevention of rust blast furnace Suited for students in Y10 and Y11.

2 Worksheets consisting over 70 questions and answers of topics related to : reduction and oxidation by gain and loss in oxygen, reduction and oxidation by gain and loss of electrons, reduction and oxidation by gain and loss of electron numbers, redox of complex ions oxidising and reducing agents. Suited for student in Y10 and Y11.

2 Worksheets consisting over 40 questions and answers related organic compounds and their respective homogolous series, questions include alkanes (substitution reaction), alkenes (addition reaction), alcohol (hydration, fermentation and oxidation), carboxylic acids (oxidation, acidity, concentration) and esters (properties, esterification, naming ester compounds). Worksheets suited for Y10 and Y11 students.

3 Worksheets consisting over 50 questions and answers related organic compounds and their respective homogolous series, questions include alkanes (substitution reaction), alkenes (addition reaction), alcohol (hydration, fermentation and oxidation), carboxylic acids (oxidation, acidity, concentration) and esters (properties, esterification, naming ester compounds). Worksheets suited for Y10 and Y11 students.

2 Worksheets consisting of 33 questions and answers related to alkanes, reactions of alkanes (combustion and substitution reaction), isomerism (naming and drawing isomers of alkanes, alkenes and alcohols), alkene reactions (addition reaction, combustion, halogenation, hydration, hydrogenation and polymerisation), bromine water test, and alcohols (oxidation, dehydration, combustion). Worksheet suited for students in Y10 and Y11.

2 Worksheets consisting over 40 questions related to classification of mixtures, solution and solvents, physical characteristics of pure and impure substances, methods of separating substances via filtration, distillation, fractional distillation, paper chromatography and simple chromatography. Questions include standard calculations of Rf values of substances of simple chromatography. Worksheets suited for students in KS 4.

2 Worksheets consisting with 47 Questions related to solving and determining empirical formula, molecular formula, molecular mass, balancing chemical formula, writing balanced chemical formula from detailed word questions, solving complex chemical reaction questions by calculating mass, volume and moles from balanced chemical equation. Worksheets suited for students in KS 4.

A chemistry assessment sheet for Year 10 students in KS4. Chapters included in this assessment sheet are ionic and covalent compounds, transition metals and non metals, noble gases, thermal decomposition of metal carbonates, calculation involving moles, molar volume and molar mass, preparing soluble salts, brown ring test (confirmation test of nitrates), simple voltaic cells, application of salt bridge, half and ionic equations, reactivity series and displacement process, electroplating, reactions of acids and bases, Contact process, isotopes and electron arrangement of elements in the Periodic Table. Assessment is suited for students in KS4.

2 Worksheets consisting over 40 questions related to states of matter, change of phase between solid, liquid and gases, the concept diffusion in daily life, methods of separating substances via filtration, distillation, fractional distillation and simple chromatography, the concept of atomic structure, isotopes, atomic number and mass number and the electron arrangement. Worksheets suited for students in KS 4.

A classroom bundle with lesson slides and 2 worksheets consisting over 30 questions related to Brownian motion, the particle arrangement and properties of solids, liquids and gases, the change of phases between solid, liquid and gases, processes of change of phases including sublimation, the phenomenon and concept of diffusion. Lesson slides and worksheets suited for students in KS 4.

2 Worksheets consisting over 25 questions related to properties and structure of atoms of elements and isotopes, the arrangement of electrons in orbits by writing the electron arrangement and drawing the atomic structure, states of matter, the properties of metals, ionic compounds and non metals such as boiling points, melting points and electrical conductivity. Worksheet suited for students in KS 4.

4 Worksheets consisting over 50 questions and answers related to the qualitative study of salts by identifying and analysis salts by carrying out various test such as the colour test of the salt (by observation), gas test (colour of gas, pH of gas, smell and confirmatory test such as limewater, lighted and glowing splint), aqueous sodium hydroxide test (by adding a few drops until excess) and aqueous ammonia test (by adding a few drops until excess). Confirmatory test of nitrates, chlorides, sulphates and iron (III) ions are included as well. Students are required to have extensive knowledge of the results and observations of the various test mentioned above, such as observation of effervescence, colour change, precipitation, before undertaking the following worksheets. Suited for students in KS 4.

3 Worksheets consisting over 40 questions and answers related to the quantitative study of salts, by constructing chemical equations, calculating mole ratio, moles (mass and volume of salts and products formed), calculating concentration and molarity of aqueous reactants. Questions include the methodology of making salts which includes acid + base reactions, acid + metal reactions, acid + carbonates reactions, double decomposition process. Suited for students in KS 4.

A classroom presentation slide with 80 slides to provide a comprehensive summary and revision to redox with topics related to : reduction and oxidation by gain and loss in oxygen, reduction and oxidation by gain and loss of electrons, reduction and oxidation by gain and loss of electron numbers, redox of complex ions oxidising and reducing agents. redox in single displacement reactions redox in simple cell redox in the rusting of iron factors affecting the rate of rusting in iron experiments on the factors affecting the rate of rusting prevention of rust extraction of metals using displacement reactions Suited for students in Y10 and Y11.

4 Worksheets with answers consisting over 50 questions related to electrolysis and electroplating, questions include classification of electrolyte, molten and aqueous solutions, flow of electrons, the product selection at the anode and cathode based on position in the electrochemical series, the concentration of the electrolyte and type of electrodes used, constructing chemical equations and half equations, conducting electroplating and uses of it. Worksheets suited for students in KS 4.

3 Worksheets consisting over 45 Questions and answers consisting of theoretical concepts of acid and base, hydroxide and hydrogen ion dissociation, pH values, pH indicators (universal indicator, methyl orange indicator and litmus paper), strong and weak acids and bases, calculation of concentration and moles, constructing chemical equations of neutralisation reactions, the usage of indicators to determine acid-alkali neutralisation via titration, the usage of a pH probe to determine the point of neutralisation, essay and experiment planning questions in comparison of acid and base products. Bonus questions includes the thermal decomposition of carbonates (the use of lime and limestone). Suited for students in KS 4.

3 Worksheets consisting over 40 questions & answers related to material science, with questions testing on the understanding and application of alloys, composition of alloys, advantages of alloys, differences of glass and ceramics, composition of glass and ceramics, advantages of glass and ceramics, types of polymerisation, benefits of polymers, source of polymers and monomers, environmental issues of polymers and solutions, advantages of composite materials, types and applications of composite materials. Suited for students in KS4.