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Elementary 4
Science

Good and poor conductors of heat

Hamizah -

27

10 questions

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# 1Multiple Choice

At first, both the water in object A and B is 29°C

After heated for a few minutes, the water:

-In object A is 31°C

-In object B is 70°C

Which object is a good conductor of heat?

Object A
The water in object A
Object B
Object A and B
# 2Multiple Choice
A metal spoon left in hot soup will become warm because metal is a good conductor of heat.
Yes, the metal spoon will become warm.
No, the metal spoon will still be cold.
Neither.
Nothing will happen
# 3Multiple Choice
Which material is NOT a good conductor of heat?
Iron
Glass
Copper
Aluminum
# 4True/False
True or False: Air is a good conductor of heat.
# 5Multiple Choice
Which of these is an example of a good heat conductor?
Cotton
Wool
Steel
Paper
# 6True/False
True or False: A pot handle made of plastic is a good heat conductor.
# 7Multiple Choice

Which is the best description of a good conductor of heat?

It gets hot easily when heated. It also gets cold easily when cooled.
It heats easily when heated. However it does NOT get cold easily when cooled.
It does NOT get hot easily when heated. However, it gets cold easily when cooled.
It stays the same when heated and cooled
# 8Multiple Choice

WHY is the handle of a clothes iron made of plastic?

Question image
This is because the handle is always made of plastic.
This is because plastic is a good conductor of heat.
This is because plastic is a NOT a poor conductor of heat.
This is because plastic is a poor conductor of heat.
# 9Multiple Choice

WHY is the base (bottom) of a cooking pan made of metal?

Question image
This is because it's always metal.
This is because metal is a good conductor of heat.
This is because metal is a NOT good conductor of heat.
This is because metal is a poor conductor of heat.
# 10Multiple Choice

Object A & B is placed in a refrigerator.

Object A & B at the start = 34°C

After a few hours:

Object A = 12°C

Object B = 32°C

Which is a GOOD conductor of heat?

Object B
Object A
Both
Neither
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