Unit 1

This section of the website contains suggestions for material that could be used with the AQA GCSE Physics Specification.

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11.1 The transfer of thermal energy

Thermal radiation and electromagnetic waves
Electromagnetic radiation (14-16)
Electromagnetic spectrum (14-16)
Heat radiation (11-14)
Cooling (14-16)

Conduction and convection
Conduction of heat (11-14)
Convection (11-14)
Cooling (14-16)

11- 14/Problems/Electromagnetic spectrum
11-14/Problems/Heat radiation

14- 16/Problems/Heat energy transfer

11.2 The efficient use of energy

Conversion of one form of energy to another
Energy (11-14)
Energy spreading (14- 16)
Machines (11-14)

14-16/Problems/Efficient use of energy
11- 14/Problems/Energy

11.3 Electrical devices

Energy and power
Power (14-16)
Work (14-16)
Forces and energy (11-14)
Transmission of electricity (14-16)

14-16/Problems/Electrical power
14-16/Problems/Work energy and power
14-16/Problems/Work and energy
14-16/Problems/Why are electrical devices so useful

11.4 Generation of electricity

Energy sources both renewable and non-renewable
Electrical energy production (14-16)
Sankey diagrams (14-16)
Nuclear fission reactor (14- 16)
Energy production (14-16)
Energy (11-14)

14-16/Problems/Generation of electricity

11.5 Uses and hazards of electromagnetic radiation

Electromagnetic radiation
Electromagnetic spectrum (14-16)
Electromagnetic radiation (14-16)
Mobile phones (14-16)
Fibre optics (11-14)
Analogue and digital signals (14-16)
Digital sound (14-16)
Binary numbers (14-16)
Waves (11-14)

14- 16/Problems/Electromagnetic spectrum

11.6 Uses and dangers of radioactive emissions

Atomic structure
Atomic structure (14-16)

Radioactivity
Radioactivity (14-16)
Radioactivity types (14-16)
Uses of radioisotopes (14-16)
Half life (14-16)

14-16/Experiments/Half life of water

14-16/Problems/Radioactive substances

11.7 The origin and future of the Universe

Doppler effect and the red shift
Doppler effect (14-16)
Galactic speeds (14-16)

The origin of the Universe
Big bang (14-16)
Space telescopes (14-16)
Telescopes (11-14)