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Apr 26, 2018

Concave Lens and Ray Diagrams (examples, solutions, videos, notes)

What is meant by a concave lens, How to draw ray diagrams for concave lens, diverging lens, Describe the properties of an image produced by a concave lens, GCSE / IGCSE Physics, notes

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Apr 25, 2018

Convex Lenses and Ray Diagrams (examples, solutions, videos, notes)

What is meant by a convex lens, How to draw ray diagrams for convex lens, magnifying glass, How to calculate magnification, GCSE / IGCSE Physics, notes

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Apr 24, 2018

Sound, Ultrasound and Seismic Waves (examples, solutions, videos, notes)

How sound waves can be transmitted from one medium to another, frequency range of human hearing is limited, How frequency and amplitude affect sound, vibrations in microphone or the human ear, how ultrasound is used for medical and industrial imaging, Calculate distance from ultrasound results, how seismic waves provide evidence about the internal structure of the Earth, P waves and S waves, GCSE / IGCSE Physics, notes

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Apr 23, 2018

Reflection and Refraction Practicals (examples, solutions, videos, notes)

Describe how to investigate the reflection of light by different types of surface and the refraction of light by different substances, How to compare reflection and refraction by two different materials, perspex and glass, GCSE / IGCSE Physics, notes

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Apr 23, 2018

Waves - Physics Practical (examples, solutions, videos, notes)

How to use a ripple tank to determine the wavelength, frequency and speed of water waves, How to use a standing wave to measure the wavelength, frequency and wavespeed of waves in a solid, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 23, 2018

Properties of Waves (examples, solutions, videos, notes)

Describe wave motion in terms of amplitude, wavelength, frequency and period, How to use the wave equation to calculate the speed of a wave, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 23, 2018

Transverse and Longitudinal Waves (examples, solutions, videos, notes)

Describe the differences between transverse and longitudinal waves, examples, direction of energy transfer, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 22, 2018

Momentum (examples, solutions, videos, notes)

Describe how to calculate momentum, How to use the idea of momentum to describe the movement, Conservation of momentum, How to carry out momentum calculations, how rapid changes in momentum can be extremely dangerous, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 22, 2018

Vehicle Stopping Distance (examples, solutions, videos, notes)

Describe what is meant by the stopping distance of a vehicle, Estimate how the distance for a vehicle to make an emergency stop varies with speed, Describe the factors that can affect the thinking distance and braking distance, forces and energy changes taking place during braking of a vehicle, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 22, 2018

Acceleration Practical (examples, solutions, videos, notes)

Practical to investigate the acceleration of an object, how varying the force affects the acceleration of an object of constant mass, Investigate how varying the mass of an object affects the acceleration produced by a constant force, second law of motion, f = ma, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 22, 2018

Newton's Law of Motion (examples, solutions, videos, notes)

Describe Newton's first law of motion, Apply Newton's first law to moving and stationary objects, Second Law of motion, F = ma, third law of motion. Every action has an equal and opposite reaction, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 22, 2018

Acceleration (examples, solutions, videos, notes)

Describe what is meant by acceleration, Calculating the acceleration of an object, Calculate the distance travelled by an object from a velocity-time graph, acceleration of an object falling through a fluid, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 21, 2018

Distance-Time Graphs (examples, solutions, videos, notes)

construct a distance-time graph from given information, calculate the speed of a moving object from a distance-time graph, Use a tangent to determine the speed of an accelerating object, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 21, 2018

Speed and Velocity (examples, solutions, videos, notes)

How to calculate speed, velocity, distance, displacement, Explain why velocity is a vector quantity, examples and step by step solutions, motion in a circle, GCSE / IGCSE Physics, notes

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Apr 21, 2018

Pressure in Fluids (examples, solutions, videos, notes)

How to calculate the pressure of fluid acting at a surface, Explain why atmospheric pressure decreases with an increase in height, Describe the factors which influence floating and sinking, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 21, 2018

Levers and Gears (examples, solutions, videos, notes)

How levers and gears can transmit the turning effect of a force, How both levers and gears are force multipliers, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 21, 2018

Moments (examples, solutions, videos, notes)

Describe what is meant by a moment, How to calculate moments using the perpendicular distance, what is meant by a balanced moment, calculate either the force or the distance from the pivot, why unbalanced objects topple, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 21, 2018

Hooke's Law Practical (examples, solutions, videos, notes)

how to investigate the relationship between force and extension for a spring, required practical, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 21, 2018

Forces and Elasticity (examples, solutions, videos, notes)

State the difference between elastic and inelastic deformations, Calculate the force needed to stretch or compress an object, Describe the energy transfers taking place when an elastic object undergoes stretching, compression or bending, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 21, 2018

Work done and Energy Transfer (examples, solutions, videos, notes)

Describe what is meant by work done, How to calculate work done by a force moving an object, How work done is a form of energy transfer, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 20, 2018

Resultant forces and Vector Diagrams (examples, solutions, videos, notes)

Describe what is meant by a resultant force, How to calculate the resultant force using a vector diagram, Draw a free-body diagram to show the forces acting on an object, How to use a vector diagram to resolve a single force into two forces, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 20, 2018

Weight and Gravity (examples, solutions, videos, notes)

What is meant by gravity and weight, Explore the difference between mass and weight, How to calculate weight using mass and gravitational field strength, gravitational acceleration, Explore how the weight of an object depends on its location, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 20, 2018

Contact and Non-Contact Forces (examples, solutions, videos, notes)

Describe what is meant by contact and non-contact forces, Give examples of contact and non-contact forces, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 20, 2018

Edexcel GCSE Mathematics May 2017 Paper 1H (solutions, worksheets, videos, activities)

Questions, Solutions and Video Walkthroughs for Edexcel Mathematics May 2017 1H, Calculator paper 1, for GCSE maths, examples, questions and step by step solutions

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Apr 19, 2018

Edexcel GCSE Mathematics June 2017 Paper 3H (solutions, worksheets, videos, activities)

Questions, Solutions and Video Walkthroughs for Edexcel Mathematics June 2017 3H, Calculator paper 3, for GCSE maths, examples, questions and step by step solutions, past year papers

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Apr 19, 2018

Edexcel GCSE Mathematics June 2017 Paper 2H (solutions, worksheets, videos, activities)

Questions, Solutions and Video Walkthroughs for Edexcel Mathematics June 2017 2H, Calculator paper 2, for GCSE maths, examples, questions and step by step solutions

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Apr 17, 2018

Scalar and Vector Quantities (examples, solutions, videos, notes)

Particle motion in gases, gas pressure, How the temperature of a gas is related to the kinetic energy of the particles, How changing the temperature of a gas changes the pressure, Describe how the pressure of a gas is related to its volume, How compressing a gas can increase its temperature, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 17, 2018

Pressure in Gases (examples, solutions, videos, notes)

Particle motion in gases, gas pressure, How the temperature of a gas is related to the kinetic energy of the particles, How changing the temperature of a gas changes the pressure, Describe how the pressure of a gas is related to its volume, How compressing a gas can increase its temperature, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 17, 2018

Specific Latent Heat (examples, solutions, videos, notes)

specific latent heat of fusion and specific latent heat of vaporisation, Calculate the energy taking place when a substance changes state, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 17, 2018

Heating and Cooling Graphs (examples, solutions, videos, notes)

Interpret heating and cooling graphs that include change of state, Reading Heating and Cooling Curves, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 16, 2018

Internal Energy (examples, solutions, videos, notes)

What is meant by internal energy, What happens to internal energy during changes of state, Change of State, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 16, 2018

Density (examples, solutions, videos, notes)

How to calculate density of a material, Explain the differences in density between solids, liquids and gases, How to find the density of a regular object, irregular object, liquids, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 16, 2018

Nuclear Fission and Fusion (examples, solutions, videos, notes)

Describe what is meant by nuclear fission works and a chain reaction, Describe how nuclear fission may be controlled or uncontrolled, Describe what happens in nuclear fusion and nuclear fission, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 16, 2018

Irradiation and Contamination (examples, solutions, videos, notes)

What is meant by irradiation and by radioactive contamination, Describe the hazards and precautions, Nuclear radiation in medicine, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 16, 2018

Radioactivity (examples, solutions, videos, notes)

what is meant by radioactive decay and the activity of a radioactive isotope, types of nuclear radiation, alpha, beta and gamma radiation, penetrating and ionising power, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 16, 2018

Nuclear Decay Equations (examples, solutions, videos, notes)

How to work out nuclear equations for alpha and beta decay, Rules for writing out nuclear equations, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 16, 2018

Half-Life and Background Radiation (examples, solutions, videos, notes)

half-life of a radioactive isotope, calculate the decrease in radioactive count-rate after a given number of half-lives, Background radiation and sources, How to read half life graphs, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 15, 2018

Alpha Scattering Experiment (examples, solutions, videos, notes)

Radius of atoms and the nucleus, Electrons and energy levels, How electrons can move energy levels when an atom absorbs electromagnetic radiation, How to use the atomic and mass numbers for an element to work out the numbers of protons, neutrons and electrons, What is meant by isotopes and ions, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 15, 2018

Atomic Structure (examples, solutions, videos, notes)

Radius of atoms and the nucleus, Electrons and energy levels, How electrons can move energy levels when an atom absorbs electromagnetic radiation, How to use the atomic and mass numbers for an element to work out the numbers of protons, neutrons and electrons, What is meant by isotopes and ions, examples and step by step solutions, GCSE / IGCSE Physics, notes

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Apr 15, 2018

Electric Fields (examples, solutions, videos, notes)

Static electricity and the forces between charges, How the charges are represented by electric fields, How to produce an electrostatic charge, Differences between conductors and insulators, examples and step by step solutions, GCSE / IGCSE Physics, notes

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