6th Grade Science - Thermal Energy Transfer

1.

Multiple Choice

3 mins

1 pt

The total or sum of the kinetic and potential energy of all the particles in a substance due to their random motion is called

temperature

thermal energy

degrees

mass

2.

Multiple Choice

3 mins

1 pt

Heat transfer occurs

in many directions

both from warm objects to colder ones and from cold objects to warmer ones

only from warmer objects to colder ones

only from cold objects to warmer ones

3.

Multiple Choice

3 mins

1 pt

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

thermal energy

conduction

convection

temperature

4.

Multiple Choice

1 min

1 pt

Which of these is an example of convection?

Standing on a hot metal bridge

The air near the ceiling is warmer than the air near the floor

The Sun heating the Earth

Touching hot sand with your feet

5.

Multiple Choice

30 sec

1 pt

The transfer of thermal energy through electromagnetic waves is called ______

conduction

convection

radiation

6.

Multiple Choice

30 sec

1 pt

The transfer of thermal energy through a substance by direct contact or touch is called___.

conduction

insulation

convection

radiation

7.

Multiple Choice

30 sec

1 pt

Thermal energy ALWAYS moves from _____ to _____.

solid to liquid

ice to water

hot to cold

solid to gas

8.

Multiple Choice

30 sec

1 pt

Unlike conduction or convection, radiation is a method of thermal energy transfer that can move in electromagnetic waves -

through empty space.

when objects touch.

only through solids.

in the motion of fluids.

9.

Multiple Choice

30 sec

1 pt

Which of the following is an example of conduction?

Solar energy warming a room.

Heat rising from the coils of a stove.

Hot air drying a wet towel.

Heat moving from a clothes iron to a shirt.

10.

Multiple Choice

1 min

1 pt

Which of these is an example of radiation?

Standing on a hot metal bridge

The air near the ceiling is warmer than the air on the floor

The Sun heating the Earth

Touching hot sand with your feet

11.

Multiple Choice

30 sec

1 pt

What is the most important source of radiation on Earth?

campfires

boiling water

the Sun

the Ocean

12.

Multiple Choice

30 sec

1 pt

When measuring the amount of thermal energy in a substance ____?

quantity DOES NOT matter.

quantity DOES matter.

only temperature matters.

motion of particles do not matter at all.

13.

Multiple Choice

30 sec

1 pt

If a whole pie and a small piece of pie are the same temperature, which has less thermal energy?

whole pie

small piece of pie

they have the same amount of thermal energy

14.

Multiple Choice

30 sec

1 pt

Why do gases or liquids rise when they are heated?

particles move faster, expand, and become more dense

particles move faster, expand, and become less dense

particles move slower, come closer together, and become less dense

particles move slower, come closer together, and become more dense.

15.

Multiple Choice

30 sec

1 pt

Why do gases or liquids sink when they cool down?

particles move faster, expand, and become more dense

particles move faster, expand, and become less dense

particles move slower, come closer together, and become less dense

particles move slower, come closer together, and become more dense.

16.

Multiple Choice

30 sec

1 pt

Warming your body when standing near a campfire is an example of what type of heat transfer?

conducton

convection

radiation

17.

Multiple Choice

30 sec

1 pt

Which of these is a good conductor of heat?

plastic

wood

empty space

metal

18.

Multiple Choice

30 sec

1 pt

Substances such as wood and plastic are not good conductors of heat. They are called ________.

metal

conductors

insulators

radiators

19.

Multiple Choice

30 sec

1 pt

A man burning his hand when grabbing a metal pot without a glove is an example of what type of heat transfer?

radiation

conduction

convection

temperature

20.

Multiple Choice

30 sec

1 pt

What type of heat transfer is described as the transfer of heat through fluids such as gases and liquids (when warm fluids rise and cool fluids sink)?

convection

conduction

radiation

temperature

21.

Multiple Choice

30 sec

1 pt

Which is true?

A swimming pool of warm water has more thermal energy than a cup of hot water.

A swimming pool of warm water has less thermal energy than a cup of hot water.

A swimming pool of warm water and a cup of hot water have the same amount of thermal energy.

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