Thermal energy II - JSS2 Basic science Past Questions and Answers - page 1
1
What is heat transfer through conduction?
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A
Heat transfer through direct contact
B
Heat transfer through radiation
C
Heat transfer through fluid movement
D
Heat transfer through magnetic fields
2
What causes heat transfer through conduction?
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A
Movement of objects
B
Vibration of atoms or molecules
C
Rotation of molecules
D
Expansion of materials
3
Which of the following is a good conductor of heat?
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A
Wood
B
Plastic
C
Copper
D
Rubber
4
Why do metals conduct heat well?
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A
Due to tightly bound electrons
B
Due to high density
C
Due to low melting point
D
Due to low melting point
5
Which material is a poor conductor of heat?
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A
Aluminum
B
Glass
C
Rubber
D
Copper
6
What property makes a material a good conductor of heat?
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A
Tightly bound electrons
B
High density
C
Presence of free electrons
D
Low specific heat capacity
7
How does heat move through a metal rod when one end is heated?
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A
Through fluid movement
B
Through convection
C
Through direct contact
D
Through radiation
8
Which material feels colder to the touch at room temperature?
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A
Plastic
B
Metal
C
Glass
D
Rubber
9
What is the main mechanism of heat transfer in a wooden spoon when placed in hot soup?
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A
Convection
B
Conduction
C
Radiation
D
Advection
10
What type of heat transfer occurs when you feel the warmth of sunlight on your skin?
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A
Conduction
B
Convection
C
Radiation
D
Advection
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