Conservation of energy — Question Bank (Cambridge) — Cambridge IGCSE Physics 0625 Revision Notes & Topical Questions

Cambridge Lower Secondary Stage 9

Question 1
Paper Ref: 5129/12_Winter_2023_Q31

When electrical power is generated, energy is transferred between stores.
Which method of generating electrical power transfers gravitational potential energy to kinetic
energy?
A _ burning fuel in a power station
B generating hydroelectric power
C generating nuclear power
D
generating geothermal power

Options:
A
B
C
D
Correct Key: B

Question 2
Paper Ref: 5129/12_Summer_2023_Q31

A solar cell is connected to a battery.
The solar cell charges the battery.
The energy is transferred from which energy store in the Sun to which energy store in the
battery?
A chemical to thermal
B nuclear to chemical
C nuclear to thermal
D
thermal to electrostatic

Options:
A
B
C
D
Correct Key: B

Question 3
Paper Ref: 5129/12_Summer_2024_Q31

A ball is dropped from a certain height above a hard smooth floor and it bounces many times.
The bar chart shows the original gravitational potential energy of the ball and the gravitational
potential energy at the top of the following bounces.
100
gravitational
potential
energy
of ball/J
70
60
50
40
30
20
10
original 1st 2nd 3rd 4th 5th
bounce bounce bounce bounce bounce
At the top of the 5th bounce, what percentage of the ball’s original gravitational potential energy
has been transferred to other stores?
A 17% B 30% C 83% D 100%

Options:
A
B
C
D
Correct Key: C

Question 4
Paper Ref: 5129/11_Winter_2025_Q35

Electrical power can be generated by the transfer of energy from a gravitational potential energy
store to a kinetic energy store.
Which energy resource uses this transfer?
A _ fossil fuel
B geothermal
C hydroelectric
D
wind

Options:
A
B
C
D
Correct Key: C

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