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Savvas 7th Grade Thermal Energy and Heat Test

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Last updated over 2 years ago
29 questions
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Question 1
1.

The movement of thermal energy from a warmer object to a cooler object is called

Question 2
2.

The transfer of energy by electromagnetic waves is called

Question 3
3.

Heat transfer occurs

Question 4
4.

Heated air moves from baseboard heaters to the rest of a room in a process called

Question 5
5.

A measure of the average kinetic energy of the individual particles in an object is called

Question 6
6.

Malia burned herself when she picked up a hot iron skillet from the stove. What method of heat transfer caused the burn?

Question 7
7.

The amount of energy required to raise the temperature of 1 kilogram of a substance by 1 kelvin is called its

Question 8
8.

Most of the world uses this temperature scale

Question 9
9.

A material that conducts heat poorly is called a(n)

Question 10
10.

Which of these is a good conductor?

Question 11
11.
If two glasses of water are at the same temperature, the average_______ energy of the particles of water in each glass is the same
Question 12
12.
A one-degree change in temperature on the Celsius temperature scale is equal to a one-unit temperature change on the_______ temperature scale.
Question 13
13.
A kite rises high above a hot sandy beach. This is an example of _______ heat transfer.
Question 14
14.
Even though the water in a filled bathtub may be at the same temperature as water in a teacup, the water in the bathtub has more_______ because it contains a greater number of water molecules.
Question 15
15.
Iron has a higher specific heat than silver. If 1 kg of iron and 1 kg of silver absorb equal
amounts of heat, the temperature of the_______ will increase by a greater amount.
Question 16
16.
Joints in train tracks are designed with extra space to allow for_______ in hot weather.
Question 17
17.

At absolute zero, the particles in an object have no kinetic energy.

Question 18
18.

A student lists three temperature measurements: 100°F, 100°C, and 100 K. Of the three measurements, 100 K is the highest temperature.

Question 19
19.

The more particles an object has at a given temperature, the more thermal energy it has.

Question 20
20.

You feel the warm glow of a bonfire. This is an example of radiation heat transfer.

Question 21
21.

During conduction heat is transferred by the movement of currents within a fluid.

Question 22
22.

Trapped air is a good conductor because it reduces heat transfer.

Question 23
23.

As most substances are cooled, they expand.

Question 24
24.

On the Fahrenheit temperature scale, water boils at 212 degrees.

Question 25
25.

Specific heat is measured in joules.

Question 26
26.

Which is a larger change in temperature: a change of 1 Celsius degree or 1 Fahrenheit degree? Explain.

Question 27
27.

What is the difference between thermal energy and heat?

Question 28
28.

Explain the role of density in the formation of convection currents.

Question 29
29.

The specific heat of foam is 1200J(kg-K). How much heat does it take to raise the temperature of 1 kg of foam by 2 K?
Hint: Remember the Energy Change Formula