AnswersCSD Summer 2026 PhysicalEarth ScienceLab: Magnetic and Electric Fields

Heat Answers

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1
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Which substance has the most thermal energy and will have the most heat flow from it?

A
a stovetop burner on medium (200°C)
B
a nuclear reactor core (1000°C)
C
the human body (36°C)
D
air at room temperature (32°C)
2
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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
3

Heat is most closely related to which kind of energy?

A
nuclear
B
electrical
C
thermal
D
chemical
4

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
5

Which direction does heat flow from?

A
hot to cold
B
cold to hot
C
hot to hot
D
cold to cold
6

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°)
7

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.
8

The metal aluminum coils in an air conditioner conduct thermal energy from inside the house and release it outside the house. What can be said about the coils when they are accepting the heat inside the house?

A
They must be warmer than the air inside the house.
B
They must be cooler than the air inside the house.
C
They must have more thermal energy than the air inside the house.
D
They must be more insulated than the air inside the house.
9

A burner on a stove produces

A
temperature.
B
thermal energy.
C
hotness.
D
fire energy.
10

Which best explains why water boils in a pot sitting over fire?

A
Heat energy is created from the thermal energy in the air.
B
Heat energy is transferred from the water to the fire.
C
Thermal energy from the fire moves to the water in the form of heat.
D
Thermal energy from the surrounding air moves to the water.

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