Thermal Energy Transfer

What happens when ice cubes melt in a glass?

• Heat travels from the ice to the warmer water.
• No energy is transferred.
• Heat is transferred from the warmer water to the ice cubes.
• The water warms up due to the humidity

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

After cooking an egg in boiling water, you cool the egg by putting it into a bowl of cold water.  Which of the following explains the egg's cooling process?

• Temperature is transferred from the egg to the water.
• Energy is transferred from the water to the egg.
• Energy is transferred from the egg to the water.
• Cold moves from the water into the egg.

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NGSS.MS-PS1-4

NGSS.MS-PS3-5

Why do we wear sweaters in cold weather?

• To keep cold out.
• To generate heat.
• To reduce heat loss.
• All of the above.

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NGSS.MS-PS3-3

You pick up a can of soda off of the countertop.  The countertop underneath the can feels colder than the rest of the counter.  Which explanation do you think is the best?

• The cold has been transferred from the soda to the counter.
• There is no heat energy left in the counter beneath the can.
• Some heat has been transferred from the counter to the soda.
• The heat beneath the can moves away into other parts of the countertop.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

If you put a metal spoon and a wooden spoon into a pot of boiling water, one will become too hot to touch.  Why?

• Metals conduct heat better than wood.
• Wood conducts heat better than metals.
• Metals pull in heat because heat is attracted to metals.
• Wood isn't as strong as metals.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which direction will the heat flow while this ice cap melts?

• there is no heat transfer
• from the icecap to the water
• from the water to the icecap

Tags

NGSS.MS-PS3-4

Which direction will the heat flow while this person holds a hot cup of tea?

• from the cup to her hand
• from her hand to the cup
• no heat is transferred

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Poor conductors like wood and plastic are called:

• conductors
• insulators
• burners

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NGSS.2-PS1-1

NGSS.2-PS1-2

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

Tags

NGSS.MS-PS1-4

Which statement is true?

• The quicker a molecule moves, the colder it is.

• The slower a molecule moves, the warmer it is.

• The quicker a molecule moves, the warmer it is

• The movement of molecules doesn't affect the temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5