Question 1

Wind turbines may generate electricity when the electricity is not needed. Two methods that can be used to store the energy from the turbine are:
Method A: Heating water to a high temperature.
Method B: Pumping water uphill into a reservoir.

Which energy store increases when water is heated?

Accepted Answer

Identify the type of energy associated with an increase in temperature. The name of the energy store is related to this type of energy.

Question 2

What mistakes do candidates make on this AQA GCSE question?

Accepted Answer

✗ Confusing thermal energy with chemical or kinetic energy.
✗ Stating "heat energy" - the correct term for the store is "thermal energy".

Wind turbines may generate electricity when the electricity is not needed. Two methods that can be used to store the energy from the turbine are:
Method A: Heating water to a high temperature.
Method B: Pumping water uphill into a reservoir.

Which energy store increases when water is heated?

How to approach this question

Full Answer

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Practice the full AQA GCSE Physics Higher Tier Paper 1

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