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OCR AS Physics: Internal Resistance
OCR AS Physics: Internal Resistance is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
Find lost volts and terminal potential difference from a source of emf
Calculate internal resistance of a cell
Calculate internal resistance of a cell with a graph
Calculate EMF of a source
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GCSE Physics: Transformers
This lesson presentations covers OCR Gateway Physics 9-1 P4.2.5 Transformers.
Examples of transformers in everyday life
Structure of a transformer Step-up and Step-down transformers
Transformer equation and rearranging equations.
Worked Examples and Student problems with worked solutions.
Explanation for use of step-up transformers - efficiency
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OCR AS Physics: Sensing Circuits
OCR AS Physics: Analysing Circuits is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
Kirchhoff’s Laws for potential difference
Thermistors and LDRs in sensing circuits
Ratio of resistances and ratio of potential differences
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GCSE Physics: Electrical Heating
This presentation covers OCR Gateway Physics 9-1 P7.2.3 Electrical Heating Transfers. All presentations come with student activities and worked solutions.
Walls and Insulation
Thermal energy dissipation
Reducing thermal energy dissipation with lubrication and insulation
Heating substances and state changes
Work done = Power x Time
Change in thermal energy = Mass x Specific Heat Capacity x Change in temperature
Thermal energy for state change = Mass x Specific latent heat
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GCSE Physics: Electrical Energy Transfers
This presentation covers OCR Gateway Physics 9-1 P7.2.2 Electrical Energy Transfers. All presentations come with student activities and worked solutions.
Energy stores
Energy transfers
Current heats wires
Wasted energy in motors and heating elements
Specific heat capacity and electrical energy
Thermal energy = Mass x Specific Heat Capacity x Change in Temperature
Energy = Charge x Potential Difference
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GCSE Physics: Efficiency
This presentation covers OCR Gateway Physics 9-1 P7.2.5 Efficiency.
All presentations come with student activities and worked solutions.
Efficiency Ratings
Improving efficiency with insulation and lubrication
Maximum efficiency
Efficiency equation
Sankey diagrams
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OCR AS Chemistry: The Chemistry of Haloalkanes
OCR AS Chemistry: The Chemistry of Haloalkanes
This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Naming Haloalkanes
Classifying Haloalkanes (primary, secondary, tertiary)
Electronegativity
Reaction mechanism for hydrolysis
Rates of reactions for hydrolysis
Reaction conditions for hydrolysis
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GCSE Physics: Reaction Time and Thinking Distance
This presentation covers OCR Gateway Physics 9-1 P8.1.2 Reaction Time and Thinking Distance. All presentations come with student activities and worked solutions.
Reaction time definition
Factors that increase reaction time
Simple reaction time experiment
Thinking distance
Rearranging equations
Speed equation
(Final velocity)2 – (Initial velocity)2 = 2 x Acceleration x Distance
v2 – u2 = 2 a s
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OCR AS Chemistry: Reactions of Alcohols
OCR AS Chemistry: 14.2 Reactions of Alcohols
This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Combustion of alcohols
Reflux condition for reactions
Primary alcohol to aldehydes
Primary alcohols to carboxylic acids
Secondary alcohols to ketones
Dehydration of alcohols
Substitution reactions for alcohols
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OCR AS Physics: LDR
OCR AS Physics: LDR is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
Materials and uses of LDRs
Creating an experiment to understand LDRs
LDRs relationship with light intensity
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GCSE Physics: Forces and Fleming's Left Hand Rule
This presentation covers OCR Gateway Physics 9-1 P4.2.1 Forces, Current and Fleming’s Left Hand Rule.
This presentation includes:
Interacting Magnetic Field Lines
Increasing Magnitude of the force on a current carrying conductor
Applying Fleming’s Left Hand Rule
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GCSE Physics: Newton's Second Law
This presentation covers OCR Gateway Physics 9-1 P2.2.4
Newton’s Second Law in Mathematical Form
Proportionalities
Rearranging Equations
Student’s problems with answers
Exam style questions with solutions
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GCSE Physics: Every Day Forces
This presentation covers OCR Gateway Physics 9-1 P2.2.5
Presentation comes with worked examples, student questions and answers.
Newton’s first Law
Terminal velocity
Free body diagrams
Plotting data
Determining acceleration for a velocity-time graph
Determining distance traveled for a velocity-time graph
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GCSE Physics: Work Done and Power
This presentation covers OCR Gateway Physics 9-1 P2.2.7
Work done equation
Rearranging work done equation
Questions and answers for work done
Power equation and definition
Rearranging power equation
Different units for work done: J, N m, kg m^2/s^2
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GCSE Physics: Stretching Springs
These two lesson presentations covers the OCR Gateway Physics 9-1 P2.3.1 material.
• Number of forces needed to deform an object
• Elastic and Plastic definitions
• Hooke’s Law
• Rearranging equations
• Determining the gradient
• Determining the spring constant
• Experimental procedure
• Exam style questions with solutions
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OCR AS Physics: The Photon Model
OCR AS Physics A: The Photon Model is a part of the Module 4: Electrons, Waves, and Photons.
Full lesson PowerPoint with worked examples and homework with complete worked answers.
Energy of a single photon
Converting from electron-volts to Joules.
Frequency of the electromagnetic spectrum
Determining Plank’s constant with LEDs
Threshold potential difference difference
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OCR AS level Physics: More Vectors
OCR AS level Physics: More Vectors is a part of the Module 2: Foundations of Physics
Presentation come with worked examples, solutions and homeworks.
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OCR AS level Physics: Scalars and Vectors
OCR AS level Physics: Scalar and Vector Quantities is a part of the Module 2: Foundations of Physics
Full lesson PowerPoint with worked examples and homework with complete worked answers.
Definition of scalars and vectors
Adding quantities with the same units
Determining if a quantity is a vector or scalar from an equation
Comparing displacement and distance
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OCR AS level Physics: Springs and Hooke's Law
OCR AS level Physics: Springs and Hooke’s Law is a part of the Module 3: Materials.
Presentation come with worked examples, solutions and homeworks.
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OCR AS level Physics: The Photoelectric Effect
OCR AS level Physics: The Photoelectric Effect is a part of the Module 4: Electrons, Waves, and Photons.
Full lesson PowerPoint with worked examples and homework with complete worked answers.
Threshold frequency
Producing photoelectrons
Kinetic energy of photoelectrons
Linking frequency and wavelength
The electromagnetic spectrum, frequency and energy.