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Thermal Conductivity
Test Description: Thermal Conductivity
Instructions: Answer all questions to get your test result.
1) The ocean is cold even in summer because water _____
A
has high specific heat
B
is a good insulator
C
conducts heat well
D
has low specific heat
2) The temperature of a piece of iron increases more than that of a sample of water with the same mass when the same amount of thermal energy is added. This is because __________.
A
iron has a lower specific heat
B
water is a liquid and iron is a solid
C
iron has a higher specific heat
D
iron has a higher melting point
3) All of the following are good conductors of heat except ____.
A
silver
B
aluminum
C
wood
D
copper
4) Air is a good conductor of heat.
A
True
B
False
5) A good __________ transfers heat easily.
A
material
B
connector
C
conductor
D
insulator
6) The amount of heat required to raise the temperature of 1 kg of a substance by 1°C is its ______________?
A
thermal mas
B
specific heat
C
thermal indicator
D
energy transfer
7) The specific heat of water is very high, It takes a large amount of energy to increase the temperature of water.
A
true
B
false
8) Which material below would be a good conductor?
A
rubber mallet
B
metal spoon
C
plastic spoon
D
block of wood
9) Which material would make a good insulator?
A
a piece of copper
B
a steel rod
C
a piece of cloth
D
a metal spoon
10) Objects with more mass will increase temperature at a slower rate than objects with less mass when they are exposed to the same amount of energy.
A
false
B
true
*select an answer for all questions
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