Thermal Energy Unit Test

The molecules in warm water move faster than molecules in cold water.

• true

• false

Tags

NGSS.MS-PS1-4

When water gets hotter, the molecules move _____________.

• slower

• faster

Tags

NGSS.MS-PS1-4

When water gets colder, the molecules move ______________.

• slower

• faster

Tags

NGSS.MS-PS1-4

What is a measure of the average speed of the molecules of a thing?

• energy

• molecules

• temperature

• collision

Tags

NGSS.MS-PS1-4

At what temperature is there zero molecule movement?

• 100°C

• 0°C

• 32°F

• absolute zero

When a thing gets warmer and its molecules are moving faster, it has ____________ kinetic energy.

• less

• the same

• more

• too much

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a thing gets colder and its molecules are moving slower, it has ____________ kinetic energy.

• less

• the same

• more

• not enough

Tags

NGSS.MS-PS1-4

What is the measure of the average kinetic energy of the molecules of a thing?

• energy

• equilibrium

• transfer

• temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

After a collision, kinetic energy transfers from the slower-moving object to the faster-moving object.

• true

• false

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Energy isn't created or destroyed.

• true

• false

Tags

NGSS.MS-PS3-5