Physics REVISION –– FORCES What is the definition of a force? What is newton's second law of motion? What are unbalanced forces and when do they occur? Using the formula W=mg, fill in the table What is earths gravitation field strength? a b c d e Weight (Newtons, N) 200 840 5000 Mass (kilograms, kg) 20 7.0 0.40 What happens to stationary objects when the forces on them are balanced? What happens to stationary objects when the forces on them are unbalanced? Calculate the resultant force: What happens to moving objects when the forces on them are balanced? What happens to moving objects when the forces on them are unbalanced? What is a resultant force? What is the difference between scaler and vector? List as many forces as you can think of: KEY WORDS: Gravitation field strength Force Drag force Resultant force Terminal velocity Stopping distance Weight Mass

Physics REVISION - ENERGY Physics REVISION - Hookes Law What is work done? What is the equation for work done? What is the unit for work done? Put the work done equation into this triangle Complete these versions: Force = Distance = Physics REVISION - Hookes Law What is Hookes law? What is the elastic limit? What is a plastic object? What is an elastic object What is the Hookes law equation? Put the Hookes law equation into this triangle Complete these versions: Spring Constant = Extension = These are forces – extension graphs for a spring and a rubber band. Which object obeys Hookes law and how can you tell? What does proportional mean?

Physics Revision - MOTION A man travels 2m in 60 seconds. What is his speed? Give the unit A car travels 2km in 60 hours what is his speed? A man travels 2 miles in 60 days. What is his speed? An ant travels 2mm in 6seconds what is his speed? Describe what is happening in the graph between points: A-B: B-C: C-D: D-E: Using the formula speed = distance time work out the speed of the cyclist between points A and B: Points D and E: What is the difference between speed and velocity? Put the speed equation into this triangle Complete these versions: Distance = time = KEY WORDS: Distance-time graphs Gradient Speed Velocity Acceleration Velocity-time graphs ASSESSMENT:

Physics Revision – MOTION (HT) A 0.5 kg trolley is pushed at a velocity of 1.2 m/s into a stationary trolley with a mass of 1.5 kg. The two trolleys stick to each other after the impact. Calculate: The momentum of the 0.5 kg trolley before the collision The velocity of the two trolleys straight after the impact State the momentum equation Put the momentum equation into this triangle Complete these versions: velocity = mass = What is the unit of momentum? What is meant by the conservation of momentum? Is momentum scaler or vector? Work out distance the car has travelled: Distance = area under the line KEY WORDS: Distance-time graphs Gradient Speed Velocity Acceleration Velocity-time graphs ASSESSMENT:

Physics Revision – Magnetism Draw a solenoid with its magnetic field: Complete the diagram of the magnetic field around the bar magnet Label the poles north and south Is magnetic force contact or non- contact? What are the three magnetic elements? Why is steel also magnetic? What could you use to plot a magnetic field? Draw a field around this wire Give three uses of an electromagnet List three ways of increasing the strength of an electromagnet Why are electromagnets useful? KEY WORDS: Distance-time graphs Gradient Speed Velocity Acceleration Velocity-time graphs ASSESSMENT:

Electromagnetic waves P1 REVISION– Waves What do we use waves for? With a transverse wave the oscillation (vibration) of the particle is ___________ to the direction in which the wave travels. Mechanical Waves Give an example. Are they transverse, longitudinal or both? What type of wave can be produced on a stretched string? Measuring Waves Label the above diagram with Amplitude, wavelength, peak and trough. Then give an explanation on the following three terms including the units: Amplitude: Wavelength: Frequency: ? Longitudinal Wave The oscillation of the particles is ____________to the direction of the travel of the wave. A longitudinal wave is made up of c_______________ and r_______________. Give an example of a longitudinal wave. Electromagnetic waves Give two examples: Are they transverse or longitudinal? Can they travel through a vacuum? KEY WORDS: Amplitude Frequency Wavelength Oscillation Transverse Longitudinal ASSESSMENT: 6

Physics REVISION –ELECTROMAGNETIC WAVES microwave background radiation Fill in the gaps in the electromagnetic spectrum: Radio Microwave Infrared Visible light Ultra violet X-Ray Gamma What is the wavelength of visible light? What is the speed of light? How do communicate using waves: Why are mobiles phones considered dangerous? What do we use visible light for? What do we use microwaves for? What do we use infrared for? What do we use radio waves for? What is the wave equation? Put the wave equation into the triangle KEY WORDS: Radio White light Microwave microwave background radiation Infrared Visible light Ultraviolet X-ray Gamma ASSESSMENT:

P1 REVISION –Wave Properties Define the following: Absorption Radiation Reflection What kind of materials are best at reflecting light? Why is food wrapped in tinfoil to keep it warm? Label this diagram Refraction Refraction of light is the change of direction of a light ray when it crosses a boundary between two substances. Why does light split up into different colours when it passes through a triangular prism? If the speed is reduced refraction is _______ the normal. If the speed is increased refraction is ________from the normal. KEY WORDS: Incidence Reflection Real image Virtual image Normal Refraction ASSESSMENT: 8