Heat and Energy

What is heat?

• Energy that makes things cold

• Energy that makes things hot

• Energy that makes things move

• Energy that makes things stop

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NGSS.MS-PS3-3

NGSS.MS-PS1-4

How does heat affect molecules?

• It slows down their movement

• It speeds up their movement

• It changes their shape

• It makes them disappear

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is an example of convection heat?

• Cooking pancakes on a griddle

• Roasting marshmallows over a flame

• Melting butter with hot water

• Using a heat pump to warm a building

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the best heat conductor?

• Metal

• Plastic

• Glass

• Wood

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which type of heat transfer occurs through waves?

• Conduction

• Convection

• Radiation

• Inertia

Tags

NGSS.MS-PS4-1

What is the purpose of a vacuum in a thermos?

• To keep heat from escaping

• To keep heat from entering

• To cool down the contents

• To prevent condensation

Tags

NGSS.MS-PS3-3

How do coats and jackets keep you warm?

• By reflecting heat

• By absorbing heat

• By trapping air

• By generating heat

Tags

NGSS.MS-PS3-3

What is the main purpose of a heat pump?

• To cool down a building

• To heat up a building

• To transfer heat from one place to another

• To generate electricity

Tags

NGSS.MS-PS3-3

What happens to heat when it is radiated?

• It disappears

• It turns into light

• It travels through a vacuum

• It transforms into sound

How does heat transfer in a clothes dryer?

• Through conduction

• Through convection

• Through radiation

• Through inertia

Tags

NGSS.MS-PS1-4