Thermochemistry

How are solids different from liquids?

• particles in solids are moving freely around each other.

• particles in solids have no motion.

• particles in solids are vibrating in place.

• particles in solids have more motion than in liquids

7. All phase changes (changing states) requires energy to be added or taken away.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

All changes in the state of matter of a substance requires

• vibration
• water
• permission
• energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to particles when they are heated?

• They speed up and spread out
• They slow down and compress
• They stop moving
• They move closer together and speed up

Tags

NGSS.MS-PS1-4

In a solid, the particles

• vibrate in place
• slide past one another
• overcome the strong attraction

Tags

NGSS.HS-PS1-3

How does heat transfer when you hold an ice cube in your hand?

• from the cold ice cube to your warm hand

• the cold ice cube makes your hand cold

• from your warm hand to the cold ice cube

• very carefully

Tags

NGSS.HS-PS3-4

Heat transfer is really neat. It always moves from..

• hot to cold

• cold to hot

• big to little

• stop singing

Tags

NGSS.HS-PS3-4

_________________________ is a measure of the average kinetic energy of the particles in a material.

• thermal
• friction
• temperature
• expansion

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-2

NGSS.HS-PS3-4

The movement of thermal energy from an object at a higher temperature to an object at a lower temperature is called ____________.

• thermal
• expansion
• temperature
• heat

Tags

NGSS.HS-PS3-4

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature