My Revision Notes: WJEC GCSE Physics
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Description
Contents
Reviews
Language
English
ISBN
9781471883583
Cover
Title Page
Copyright
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My revision planner
Countdown to my exams
Equations
Unit 1
1 Electric circuits
Common circuit symbols
Current
Voltage
Using electrical circuits in the home
Investigating current and voltage
Combining resistors in series and parallel
Electrical power
2 Generating electricity
Advantages and disadvantages of generating electricity from different primary sources of energy
Comparing the cost
Generating electricity in a fuel-based power station
Why do we need the National Grid?
Electrical power
Sankey diagrams
Efficiency
3 Making use of energy
Conduction, convection and radiation
Applying density
Insulation
Units of energy – the kilowatt-hour
Heating and transport costs
4 Domestic electricity
How much does it cost to run?
a.c. or d.c.?
Using mains electricity safely
Micro-generation of domestic electricity
5 Features of waves
Transverse and longitudinal waves
How do we describe waves?
Calculating wave speed, frequency and wavelength
What is the electromagnetic spectrum?
Reflection of waves
Refraction of waves
Communicating using satellites
6 The total internal reflection of waves
Total internal reflection
Endoscopes
Using infrared and microwaves for communication
Optical fibres or microwaves?
7 Seismic waves
Types of seismic waves
Seismograms and analysing earthquakes
Seismic waves and the structure of the Earth
8 Kinetic theory
Pressure
The behaviour of gases
The gas laws
Absolute zero
Specific heat capacity
Specific latent heat
9 Electromagnetism
Magnetic fields
The motor effect
Electric motors
Electromagnetic induction
The simple a.c. generator
Transformers
Unit 2
10 Distance, speed and acceleration
Describing motion
Graphs of motion
Stopping distances
11 Newton’s laws
Inertia and Newton’s first law of motion
Resultant forces and Newton’s second law of motion
Falling objects
Interaction pairs
12 Work and energy
Work
Gravitational potential energy
Kinetic energy
Total energy
Storing energy in springs
Work, energy and vehicles
13 Further motion concepts
Momentum
Newton’s second law and momentum
The law of conservation of momentum
Conserving kinetic energy
Equations of motion
Turning forces
The principle of moments
14 Stars and planets
The scale of the Universe
Stellar lifecycles and the Hertzsprung–Russell diagram
15 The Universe
Measuring the Universe
The Big Bang
16 Types of radiation
Inside the nucleus
Nuclear radiation
Stability of the nucleus
Nuclear equations
Background radiation
Monitoring and measuring radioactive decay
Nuclear waste
17 Half-life
Radioactive decay and probability
Half-life
Using radioactivity
18 Nuclear decay and nuclear energy
Nuclear fission
Nuclear fusion
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