Thermal energy - JSS2 Basic science Past Questions and Answers - page 1
1
What is thermal energy?
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A
Energy from light
B
Energy from heat
C
Energy from motion
D
Energy from electricity
2
Which of the following describes thermal energy?
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A
Potential energy stored in batteries
B
Energy from wind
C
Energy from the movement of particles
D
Energy from sound
3
How does heat flow occur?
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A
Only through conduction
B
Only through conduction
C
Only through radiation
D
Through conduction, convection, and radiation
4
Which of the following is not a mechanism of heat flow?
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A
Conduction
B
Convection
C
Friction
D
Radiation
5
What determines the direction of heat flow?
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A
Temperature difference
B
Color difference
C
Size difference
D
Weight difference
6
In which direction does heat flow?
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A
From low temperature to high temperature
B
From high temperature to low temperature
C
It does not flow
D
It flows in all directions
7
What is the primary cause of heat flow in a pot of boiling water?
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A
Conduction
B
Convection
C
Radiation
D
Condensation
8
What type of heat flow occurs when you hold a metal spoon in hot soup?
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A
Conduction
B
Convection
C
Radiation
D
Absorption
9
Which type of heat flow does not require a medium to transfer energy?
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A
Conduction
B
Convection
C
Radiation
D
All of the above
10
What happens when two objects at different temperatures are brought into contact?
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A
Both objects get colder
B
Both objects get warmer
C
The colder object gets warmer and the warmer object gets colder
D
There is no change in temperature
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