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OCR AS Chemistry: Organohalogen Compounds
OCR AS Chemistry: 15.2 Organohalogen Compounds and the Environment
This PowerPoint is a whole lessons included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Definitions for CFC (Chlorofluorocarbons) and HCFC (Hydachlorofluorocarbons)
Creation of ozone
Depletion of ozone with CFCs
Reaction steps including initiations and propagation
GCSE Physics: Everyday Motion
This presentation covers OCR Gateway Physics 9-1 P8.1.1 Everyday Motion. All presentations come with student activities and worked solutions.
Average speeds of walking, running, cycling, cars, trains, wind, sound, and light.
The speed equation
The acceleration equation
Explaining average speed camera
Explaining instantaneous speed camera
Estimating everyday accelerations
Calculating speed from rotation speed and circumference of wheels
Converting from miles per hour to meters per second
GCSE Physics: Forces in Collisions
This presentation covers OCR Gateway Physics 9-1 P8.1.4 Forces in Collisions. All presentations come with student activities and worked solutions.
Large accelerations produce large forces.
Values of g that cause severe injury or death
Road Safety
Newton’s First Law and seat belts
Crumple zones
Force = Mass x Acceleration
Acceleration = Change in velocity /Time taken
Estimating speed, accelerations and forces involved in large accelerations for everyday road transport.
OCR AS level Physics: Resistance
OCR AS Physics A: Resistance is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
Definition of an ohm.
Temperature and resistance for metallic conductors (wires)
The ohm in base SI units
I against V graphs and resistance
OCR AS Physics: Diffraction and Polarisation
OCR AS Physics: Diffraction and Polarisation is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
GCSE Physics: Gas Pressure & Temperature
This presentation covers OCR Gateway Physics 9-1 P1.3.1 Gas Pressure and Temperature
This presentation includes:
Introduction to kinetic theory
Relationship between temperature and pressure
Force by gas particles being normal to surface
Graph plotting - Extrapolation to absolute zero
Health and safety video on gas canisters and fires
GCSE Physics: Simple Machines and Gears
This presentation covers OCR Gateway Physics 9-1 P2.3.5 Simple Machines
• Uses of simple machines
• Simple machines as force multipliers
• Mechanical advantage equation
• Gears – ratios, speed, direction
• Rearranging equations
• Exam style questions with solutions
• Student problems with answers
GCSE Physics: Gravitational Force and Energy
This presentation covers OCR Gateway Physics 9-1 P2.3.3 Gravitational Force and Energy
Gravitational fields
Gravitational field strength and mass
Gravitational energy and work done
Exam style questions and solutions
Student problems with answers
OCR AS level Physics: Kirchhoff's First Law
OCR AS level Physics: Kirchhoff’s First Law is a part of the Module 4: Electrons, Waves, and Photons.
Presentation come with worked examples, solutions and homeworks
Apply Kirchhoff’s First Law
Kirchhoff’s First Law in mathematical form
Kirchhoff’s First Law in written form
Describing conservation laws
Women in Science - Emmy Noether
CERN and jobs in physics
OCR AS level Physics: Moving Charges
OCR AS level Physics: Moving Charges is a part of the Module 4: Electrons, Waves, and Photons.
Presentation come with worked examples, solutions and homeworks.
Structure of a metal
Conventional current and electron flow
Measuring current with an ammeter
Ionic solutions with cations and anions.
Ions, relative charge and absolute charge
Comparing ionic solutions and metal conductors
OCR AS level Physics: Displacement and Velocity
OCR AS level Physics: Displacement and Velocity is a part of the Module 3: Forces and Motion
Presentation come with worked examples, solutions and homeworks.
OCR AS level Physics: Projectile Motion
OCR AS level Physics: Projective Motion is a part of the Module 3: Forces and Motion
Presentation come with worked examples, solutions and homeworks.
Includes:
Resolving vectors in 2D
Pythagoras’ theorem:
Equations of constant acceleration - suvat equations
Projectiles being dropped
Projectiles fired at and angle to the horizontal
Velocity-time graphs
OCR AS level Physics: Stopping Distances
OCR AS level Physics: Stopping Distances is a part of the Module 3: Forces and Motion
Presentation come with worked examples, solutions and homeworks.
OCR AS level Physics: Free fall and g
OCR AS level Physics: Free fall and g is a part of the Module 3: Forces and Motion
Presentation come with worked examples, solutions and homeworks.
Definition of free fall and gravitational force.
Dimensional analysis of units for acceleration and g.
Determining g with equations of constant acceleration (suvat equations).
Determining g with finding the gradient of graphs.
Determining g experimentally with stopwatches, trap doors, light gates, and cameras with strobes.
OCR AS level Physics: Work Done and Energy
OCR AS level Physics: Work Done and Energy is a part of the Module 3: Work, Energy and Power.
Presentation come with worked examples, solutions and homeworks.
OCR AS level Physics: Power and Efficiency
OCR AS level Physics: Power and Efficiency is a part of the Module 3: Work, Energy and Power.
Presentation come with worked examples, solutions and homeworks.
OCR AS level Physics: Superposition
OCR AS level Physics: Superposition of Waves is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
GCSE Chemistry: Introducing Particles
This PowerPoint presentation with worked examples and student questions covers:
• Solids, liquids, and gases
• Scientific models as a concept
GCSE Chemistry: Polymers
This PowerPoint presentation with worked examples and student questions covers:
• State what is meant by mono- and poly-.
• Describe polymerisation and the effects of cross-links in polymers.
• Determine a polymer’s repeat units from a monomer’s structural formula.
OCR AS Physics: Electrical Energy & Power
OCR AS Physics: Electrical Energy & Power is a part of the Module 4: Electrons, Waves, and Photons. PowerPoint with worked examples and homework.
Derive three equations for electrical power
Applying electrical power equations
Create a circuit diagram to calculate power
Base units for V A and W.