Thermal Energy

Molecules in Hot water have more _________ than molecules in cold water

• molecules

• volume

• kinetic energy

• food coloring

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens to molecules in the state of Absolute Zero?

• molecules get destroyed from cold

• molecules completely stop moving

• molecules move so fast they evaporate

• molecules move very slowly

Tags

NGSS.MS-PS1-4

At what temperature does H₂0 (water) freeze?

• 100^o Celsius

• 0^o Celsius

• 32^o Celsius

• whatever temperature the freezer is set to

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Are there any molecules moving inside a frozen block of ice?

• Yes, they are moving very slowly

• Yes, they are moving fast

• No they are completely frozen still

Tags

NGSS.MS-PS1-4

Is energy being TRANSFERRED OR CONVERTED?

Hot water travels through a metal pipe which makes the pipe as hot as the water

• Transferred

• Converted

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which is an example of energy being converted?

• Scientists use thermal energy from volcanoes to help power homes using electrical energy

• Thermal energy from a boiling pot of water is making the air above it warmer

• Air conditioner takes hot air out of the room and replaces it with cold air

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Is the energy being transferred or converted?

Lava flowing out of a volcano touches the air and makes it hotter

• Transferred

• Converted

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Temperature is the measurement of the amount of kinetic energy of _________ in an object

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Temperature is relative to the average speed of molecules in an object.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

When the molecules of an object start to decrease in speed, the temperature of the object __________________.

• increases

• freezes

• decreases

• stops moving

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4