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What are the three ways that heat is transferred
Describe conduction
What does conduction work best in
Why are metals good conductors?
What is heat/ infrared radiation?
Describe how texture and colour have a big influence on infrared radiation
What can infrared only travel through
Where do covenection currents happen
Explain a convection current in a liquid
Use an example to show how heat transfer is limited in a device
Describe the process of condensation
What is evaporation?
Describe the process of evaporation
What are the factors of evaporation ( what happens to the liquid as particles evaporate)
How could you increase the rate of condensation and evaporation?
Use an example to describe how heat transfer is limited in a device
How do animals and humans control heat transfer?
What is a u - value
How do you work out the payback time?
What is the difference between 'cost effectiveness' and 'effectiveness'?
Name 9 types of energy
What are kWh
Name 4 non renewable sources of energy
and there rolls
Name 8 renewable sources of energy and there rolls
Describe how energy sources can be burned to drive turbines in a power station and produce electricity
What is a nuclear reactor
What are biofuels made out of and what is there use?
How are non-renewables linked to the environmental problems
What is the national grid?
Describe the rolls of the pylons and transformers when electricity is passed out
What are the differences between transverse and longitudinal waves
What is the law of reflection?
What is the definition of diffraction
What is the definition of refraction
sing the electromagnetic wave song
What proves that the universe is expanding
What is red shift
What is the doppler effect?
Describe what happens to the wavelength and frequency as a race car is moving towards and when it moves away from you.....
What is the big bang theory
What is wrong with the big bang theory
