Questions where students often pick the tempting wrong answer — make sure you know the right one:
What happens to energy when a device runs?✗ It is used up and ceases to exist.✓ It is transferred and dissipated (often as heat); never destroyed.
Does 'renewable' mean an energy resource causes no harm?✗ Yes, renewables cause no environmental harm at all.✓ No — it means it won't run out; it may still have some impact.
How are power and energy different?✗ They are the same thing.✓ Power is the rate of energy transfer (watts); energy is the total (joules).
Practise Energy Production — free games
Test yourself with these quick revision games for this topic:
