When the temperature of matter decreases the particles ...

slow down and move closer together

speed up and move farther apart

speed up and move closer together

slow down and move farther apart

You're holding hands with your best friend. Your friend's hands are REALLY warm and yours are really cold. After a few minutes, this has changed. How might you explain what happened?

The heat energy from your friend's hand transferred to your hand through conduction.

The cold energy from your hand transferred to your friend's hand through conduction.

The cold energy from your hand transferred to your friend's hand through convection.

The heat energy from your friend's hand transferred to your hand through convection.

Which statement is true?

The quicker a molecule moves, the warmer it is

The quicker a molecule moves, the colder it is.

The slower a molecule moves, the warmer it is.

The movement on molecule don�t affect its temperature

Which of the following is the best example of conduction?

A light bulb warming a lampshade

Gases circulating in the atmosphere

A pot of water with an egg sits on a hot stove. Which of the following correctly describes a flow of heat energy in the diagram?

Heat energy flows from the water to the egg.

Heat energy flows from the egg to the stove.

Heat energy flows from the egg to the water.

Heat energy flows from the water to the pot.

While on a camping trip, Mackenzie and her family sat around the campfire. Even after the fire had been put out, Mackenzie could feel that the air above the rocks surrounding the campfire was warm. Which best explains how the heat was transferred?

From the fire to the rocks to the air

From the air to the fire to the rocks

From the rocks to the fire to the air

From the rocks to the air to the fire

Heat energy always moves in which direction?

Smooth objects to rough objects

Heat Transfer

Authored by K G

Physics

8th Grade

Used 17+ times

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45 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the transfer of heat by movement of liquids or gases?

Radiation

Convection

Conduction

Heat

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are waves that can transfer heat through the vacuum of empty space?

Electromagnetic waves

Convection

Conduction

Heat

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a transfer of heat energy by electromagnetic waves?

Radiation

Convection

Conduction

Heat

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the transfer of heat by direct contact?

Convection

Electromagnetic waves

Radiation

Conduction

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the measurement of the average kinetic energy of a substance?

Kinetic energy

Temperature

Thermal energy

Potential energy

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a substance that does NOT conduct heat well?

Conductor

Insulator

Convector

Radiator

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a substance that DOES conduct heat well?

Conductor

Insulator

Convector

Radiator

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Heat Transfer

What is the transfer of heat by movement of liquids or gases?

What are waves that can transfer heat through the vacuum of empty space?

What is a transfer of heat energy by electromagnetic waves?

What is the transfer of heat by direct contact?

What is the measurement of the average kinetic energy of a substance?

What is a substance that does NOT conduct heat well?

What is a substance that DOES conduct heat well?

What is the total amount of kinetic energy in a substance?

What is the transfer of kinetic energy from one substance to another?

What is the energy of the movement of particles in a substance?

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