What is meant by a non-renewable energy resource?
Name four non-renewable energy resources.
Explain how electricity is generated in a gas-fired power station. Describe the useful energy transfers that occur.
Describe how the following renewable resources are used to generate electricity. State one advantage and disadvantage for each.
C) the tide
E) geothermal energy
Why are hydroelectric power stations often located in remote valleys?
What is the purpose of pumped storage?
Why is wave power only a realistic major energy source on small islands?
What is the source of energy for tidal barrages?
Apart from generating electricity, how else can geothermal heat be used?
How are biofuels produced? Give two examples of biofuels.
Name two places that carbon dioxide can be stored after carbon capture.
Name six factors that should be considered when a new power station is being planned.
Which three energy sources are linked most strongly with habitat disruption?
Explain why high electrical voltage is used to transmit electricity in the national grid.
Find the speed of a wave with a frequency of 50 kHz and a wavelength of 0.3 cm.
Why does light bend as it moves between air and water?
What size should the gap be in order to maximise diffraction?
A) much larger than the wavelength
B) the same size as the wavelength
C) a bit bigger than the wavelength
Write the EM spectrum with all the details in the right order.
What type of wave do television remotes usually use?
Which two types of EM wave are commonly used to send signals along optical fibres?
Why can't sound waves travel in space?
Are high frequency sound waves high pitched or low pitched?
If a wave source is moving towards you , will the observed frequency of its waves be higher or lower than their actual frequency?
What do red-shift observations tell us about the universe?
Describe the big bang theory for the origin of the universe. What evidence is there for this theory?