Question 1

What is thermal energy?

Accepted Answer

The energy that comes from the temperature of matter

Answer

Energy that is produced by sound

Answer

Energy from electricity

Answer

The energy stored in food

Question 2

Which of the following materials is a good conductor of thermal energy?

Accepted Answer

Copper

Answer

Rubber

Answer

Wood

Answer

Plastic

Question 3

What happens to the thermal energy of a substance when it is heated?

Accepted Answer

Its thermal energy increases

Answer

Its thermal energy decreases

Answer

Its thermal energy stays the same

Answer

It turns into kinetic energy

Question 4

Which process transfers thermal energy through direct contact between materials?

Accepted Answer

Conduction

Answer

Evaporation

Answer

Convection

Answer

Radiation

Question 5

What is an example of thermal energy being transferred by radiation?

Accepted Answer

The warmth of the sun on your skin

Answer

Touching a hot metal pan

Answer

Boiling water on a stove

Answer

Warm air rising from a heater

Question 6

What is the main method of heat transfer in liquids and gases?

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Answer

Insulation

Question 7

What is the term for materials that do not conduct thermal energy well?

Accepted Answer

Insulators

Answer

Semiconductors

Answer

Electrolytes

Answer

Conductors

Question 8

What happens to the particles in a substance when it is cooled?

Accepted Answer

The particles move closer together and slow down

Answer

The particles vibrate more rapidly

Answer

The particles move farther apart and speed up

Answer

The particles disappear completely

Question 9

Which of the following is an effect of increasing thermal energy in a substance?

Accepted Answer

Expansion of the substance

Answer

Formation of ice

Answer

Contraction of the substance

Answer

Decrease in temperature

Question 10

In which state of matter do particles have the most thermal energy?

Accepted Answer

Gas

Answer

Solid

Answer

Plasma

Answer

Liquid

Question 11

What is thermal energy primarily associated with?

Accepted Answer

Heat

Answer

Electricity

Answer

Light

Answer

Sound

Question 12

Which of the following is a good conductor of thermal energy?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 13

What happens to the thermal energy of a substance when it is heated?

Accepted Answer

It increases

Answer

It decreases

Answer

It stays the same

Answer

It vanishes

Question 14

What is the process called when thermal energy moves through a liquid or gas?

Accepted Answer

Convection

Answer

Insulation

Answer

Radiation

Answer

Conduction

Question 15

What is thermal insulation designed to do?

Accepted Answer

Reduce heat transfer

Answer

Detect temperature changes

Answer

Store thermal energy

Answer

Increase heat transfer

Question 16

Which of the following methods of heat transfer does not require a medium?

Accepted Answer

Radiation

Answer

Conduction

Answer

Insulation

Answer

Convection

Question 17

What type of thermal energy transfer occurs when you touch a hot stove?

Accepted Answer

Conduction

Answer

Insulation

Answer

Radiation

Answer

Convection

Question 18

In which state of matter do particles have the most thermal energy?

Accepted Answer

Gas

Answer

Solid

Answer

Plasma

Answer

Liquid

Question 19

What occurs to the particles in a substance when it absorbs thermal energy?

Accepted Answer

They move faster

Answer

They stay still

Answer

They move slower

Answer

They change color

Question 20

Which of the following is an example of thermal expansion?

Accepted Answer

A metal lid that is easier to remove after heating

Answer

Steam rising from a boiling pot

Answer

Ice forming on a lake

Answer

Water freezing in a ice cube tray

Related quizzes

Related quizzes