Heat Transfer and Thermal Energy

The movement of thermal energy from a warmer object to a cooler object is called

• heat

• temperatur

• motion

• momentum

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

As you touch a hot stove the heat transfers -

• from your hand to the stove

• from the stove to your hand

• It doesn't transfer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Hot objects begin to cool as-

• cooler air is transferred to the hot object.

• thermal energy in the object is transferred to the surrounding air.

• atoms in the object react with the oxygen in the air.

• thermal energy in the object cancels out energy in the air

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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-PS3-3

NGSS.MS-PS3-4

The arrows inside the pot show ​ (a)  

• convection

• radiation

• conduction

The total energy of all the particles in a substance is called

• temperature

• thermal energy

• degrees

• mass

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

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

What happens to particles as they cool down?

• They slow down

• Nothing

• They don't move

• They speed up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which particles are moving fastest?

• Particles in ice.

• Particles in boiling water.

• Particles in water from the sink.

• Particles in steam.

Tags

NGSS.MS-PS1-4

Molecular motion _________ when temperature is increased.

• Increases

• Decreases

Tags

NGSS.MS-PS1-4