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Thermal Energy

Total questions: 31

Worksheet time: 22mins

Name
Class
Date
1.

A measurement of the average amount of kinetic energy of the particles in a sample of matter.

a)

Temperature

b)

Energy

c)

Potential energy

d)

Heat

2.

The transfer of thermal energy between objects

a)

Kinetic energy

b)

Temperature

c)

Heat

d)

Potential energy

3.

During summer the ground temperature is 50°C. If you place a piece of ice that has a temperature of –6°C.

Which statement best explains what happens?

a)

Heat transfers coldness from the ice to the ground.

b)

Thermal energy transfers heat from the ground to the ice.

c)

Thermal energy transfers coldness from the ground to the ice.

d)

Heat transfers thermal energy from the ground to the ice.

4.

A snowball is made up of frozen water, which means its temperature is at or below 0°C. A person's hand is usually at normal body temperature, about 37°C.


A person holds a snowball in his hand. Which photo shows the direction of thermal energy transfer?

a)
b)
c)
d)
5.

The diagram shows how the Earth's mantle keeps being heated.

Which process is shown by the arrows inside the mantle?

a)

Convection

b)

Insulation

c)

Conduction

d)

Radiation

6.

The diagram shows different forms of thermal energy transfer.

Which process is making the pot's handle hot?

a)

Conduction

b)

Insulation

c)

Convection

d)

Radiation

7.

Which event is part of a convection current in the air?

a)

Cool air sinks.

b)

Cool air rises.

c)

Warm air sinks.

d)

Warm air swirls.

8.
Heat transfer occurs:
a)
in many directions
b)
both from warm objects to colder ones and from cold objects to warmer ones
c)
only from warm objects to colder ones
d)
only from cold objects to warmer ones
9.
The temperature of a substance increases as___.
a)
the substance expands
b)
the average kinetic energy of its particles increases
c)
the substance's volume increases
d)
the substance's mass increases
10.

Which of the following is not a method for heat transfer

a)

Radiation

b)

Insulation

c)

Conduction

d)

Convection

11.

How does heat energy reach the Earth from the Sun

a)

Convection

b)

Radiation

c)

Conduction

d)

Insulation

12.

What is the definition of CONVECTION

a)

When heat transfers through waves.

b)

When heat transfers from objects that are touching.

c)

The transfer of thermal energy in a fluid (liquid/gas) by movement of warm / cool fluids.

d)

Heat traveling from the sun

13.
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
a)
radiation
b)
conduction
c)
convection
d)
insulation
14.
a)

Conduction

b)

Convection

c)

Radiation

15.
A hot rock is dropped into a pail of cool water. Heat energy transferred from the rock to the water by
a)
Boiling
b)
Evaporation
c)
Conduction
d)
Radiation
16.

When you pull your Totino's Pizza rolls out of the oven and the pan is so hot it burns your hand because you forgot your protective mit. The energy move to your hand from the pan to your hand through ...

a)

Conduction

b)

Radiation

c)

Convection

17.

Metals are great at allowing heat to flow through, we call these.

a)

conductors

b)

insulators

18.

Rubber is not good at allowing heat to flow through, we call these.

a)

conductors

b)

insulators

19.

How does heat move?

a)

In many directions

b)

from warm places to cooler places

c)

from cold places to warm places

d)

Both B and C

20.

All of the following are good conductors of heat EXCEPT

a)

Copper

b)

Iron

c)

Plastic

d)

Aluminum

21.

The total energy of all the particles in a substance is called

a)

Temperature

b)

Thermal energy

c)

Degrees

d)

Mass

22.

A teacher puts one test tube of 50 degree C liquid and one test tube of 10 degree C liquid into a 20 degree C water bath, as shown in the diagram below. Which of the following diagrams best represents the directions that heat will move when the test tubes are placed into the water bath?

a)
b)
c)
d)
23.

The more particles a substance has at a given temperature,

a)

The higher its temperature

b)

The more thermal energy it has

c)

The more degrees it has

d)

The more kelvin it has

24.

Which of these is a good conductor?

a)

Wood

b)

Paper

c)

Silver

d)

Air

25.

Because a bath has more molecules, it has more __________ than a teacup at the same temperature.

a)

Heat

b)

Thermal energy

c)

Potential energy

d)

Degrees

26.

Stars transfer thermal energy by the process of

a)

Conduction

b)

Convection

c)

Radiation

d)

Insulation

27.

Which of the following statements best describes the change that occurs as the temperature in the room increases to 20°?

a)

Cold air molecules collide to generate heat energy.

b)

Cold energy in the room transforms into heat energy.

c)

The room becomes warmer as heat energy is added to the room

d)

The room becomes warmer as cold energy is pushed out of the room.

28.

The diagram above shows the amount of light reflected from each block. Which block will increase in temperature most rapidly?

a)

Block 1

b)

Block 2

c)

Block 3

d)

Block 4

29.

Which of the following is the best example of heat being transferred by conduction?

a)

ocean currents moving warm water to cold water

b)

mountain boulders warming up in bright sunlight

c)

rocks buried in sand absorbing heat from surrounding sand

d)

air masses moving from high-pressure to low-pressure regions

30.

On the Celsius scale, water freezes at

a)

32

b)

100

c)

273

d)

0

31.

What causes hot and cold water to become the same temperature once they are combined?

a)

The heat moves from cooler temperature to warmer temperature.

b)

The energy of the hot water runs out.

c)

Heat (thermal) energy from the hot water is transferred to the cold water.

d)

Heat (thermal) energy causes the water to boil.