Heat Transfer

When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?

• From the cold cup to your hand
• From the cold cup to the warm air
• From the ice to your hand
• From your warm hand to the cold cup.

If an object has particles that are moving very slowly, the object's temperature is probably ______.

• hot
• small
• cold
• big

Tags

NGSS.MS-PS1-4

Thermal energy ALWAYS moves from _____ to _____.

• solid to liquid
• ice to water
• hot to cold
• solid to gas

Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?

• Thermal energy is transferred from the spoon to the water.
• Thermal energy is transferred from the water to the spoon.
• Thermal energy in the water is transformed into kinetic energy in the spoon.
• Thermal energy in the spoon is transformed into kinetic energy in the water.

Tags

NGSS.MS-PS3-5

What happens to particles as they cool down?

• They slow down
• Nothing
• They don't move
• They speed up

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Hadi places an ice cube into a beaker of warm water. The ice melts after some time. Which of the following is the best reason to explain this?

• The ice cube gains heat from the warm water.
• The ice cube loses heat to the warm water.
• The warm water gains heat from the ice cube.
• The warm water neither gains nor lose heat to the ice cube. 

Benjamin placed a bottle of cold milk into a cup of hot water. The cold milk becomes hotter after a while. Which one of the following explains this?

• The cup loses heat to the hot water.
• The bottle of cold milk gains heat from the cup. 
• The bottle of cold milk loses heat to the hot water.
• The bottle of cold milk gains heat from the hot water.

Mother put some water to boil on the stove. The water becomes hot after sometime. This is because heat flows from ___________ to ___________. 

• water ... kettle
• kettle ... water
• water ... fire
• fire ... water

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-PS3-4

NGSS.MS-PS3-3