Tutopiya: Study Resources for IGCSE, IB, GCSE & A-Levels

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6 MCQs

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1
Which of the following is NOT one of AQA's eight named energy stores?
Answer & explanation
Correct: option C
Sound is a radiation transfer pathway, not a store. Energy carried by sound waves eventually ends up in thermal stores of whatever absorbs them.
2
A battery powers a bulb. Which transfer pathway moves energy from the battery to the bulb?
Answer & explanation
Correct: option B
Current flowing through the circuit does work on the bulb filament — this is the electrical transfer pathway.
3
A book sits on a high shelf. Which energy store has been filled compared with the book being on the floor?
Answer & explanation
Correct: option B
Raising the book against gravity transfers energy into the gravitational PE store of the book–Earth system.
4
Which statement about a closed system is correct?
Answer & explanation
Correct: option B
Conservation of energy: total energy of a closed system is constant; energy is redistributed between stores.
5
A torch is switched on. Which sentence best describes the transfers?
Answer & explanation
Correct: option B
AQA-style language: name the store, the pathway, and the radiation. Energy is not created.
6
An electric heater warms a room. The 'useful' store filled is the:
Answer & explanation
Correct: option B
The intended useful output is to fill the thermal store of the air (and objects) in the room.