AnswersFall 24 GSE Physical Science B ICTemperature and Thermal Energy

Heat Answers

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Ixchelt burns her tongue when she takes a sip of hot coffee from her mug. Which part of this example represents heat?

A
the thermal energy moving from the coffee to her tongue
B
the thermal energy moving from her tongue to the coffee
C
her coffee
D
her tongue
2
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A burner on a stove produces

A
temperature.
B
thermal energy.
C
hotness.
D
fire energy.
3

Which refers to the amount of heat required to change the temperature of 1 gram of a substance by 1°C and is related to the chemical composition of the substance?

A
Thermal energy
B
Specific heat
C
Activation heat
D
Boiling point
4

Mintu wants to increase the heat transfer between a metal iron and another piece of metal he wants to shape. He decides to increase the time the two metals are in contact, use a larger metal iron, and use a new metal material with a higher specific heat.

A
Mintu should have decreased the size of the metal iron.
B
Mintu should have decreased the time he touches the two metals.
C
Mintu should have chosen a material with a lower specific heat.
D
Mintu should have chosen a material the same temperature as the iron.
5

Shelly tells a friend that her computer needs to be fixed because it has been producing a lot of heat and is smoking. Where is the error in her statement?

A
Heat cannot be described as having been produced.
B
Thermal energy cannot be produced by electronics.
C
Her computer should be producing a lot of heat and does not need to be fixed.
D
Her computer is producing thermal energy, not heat.
6

This chart lists four examples of two objects that are in contact.Which statement accurately describes the flow of heat in each example?

Question illustration
A
Heat will flow from Object 1 to Object 2 in examples 2 and 4, and heat will flow from Object 2 to Object 1 in examples 1 and 3.
B
Heat will flow from Object 1 to Object 2 in examples 1 and 3, and heat will flow from Object 2 to Object 1 in examples 2 and 4.
C
Heat will flow from Object 1 to Object 2 in Example 3, and heat will flow from Object 2 to Object 1 in examples 1, 2, and 4.
D
Heat will flow from Object 1 to Object 2 in examples 1, 2, and 4, and heat will flow from Object 2 to Object 1 in Example 3.
7

If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them?

A
from the hand to the cup
B
from the cup to the hand
C
from the cup to the surrounding air
D
from the hand to surrounding air
8

Which best describes the direction of heat?

A
from a substance with no thermal energy to a substance with high amounts of thermal energy
B
from a substance with less thermal energy to a substance with more thermal energy
C
from a cooler substance to a warmer substance
D
from a warmer substance to a cooler substance
9

What must be true about two objects if heat is flowing between them?

A
The objects must be different temperatures.
B
The objects must be the same temperature.
C
The objects must both be over room temperature.
D
The objects must both be under room temperature.
10

Which substance is most likely to heat up the fastest?

A
water (specific heat of 4.19 J/g • C°)
B
copper (specific heat of 0.39 J/g • C°)
C
aluminum (specific heat of 0.90 J/g • C°)
D
dry air (specific heat of 1.01 J/g • C°)

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