Phase Change II

When a substance melts, the kinetic energy _____________.

• decreases
• stays the same
• increases
• decreases then increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When molecules flow around each other, they are in this phase

• solid
• liquid
• gas
• plasma

Tags

NGSS.MS-PS1-4

What is the phase change of a solid to a liquid?

• freezing
• melting
• boiling
• condensation

Tags

NGSS.MS-PS1-4

2. A change of state from a liquid to a solid is called....

• Melting
• Freezing
• Evaporation

Tags

NGSS.MS-PS1-4

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The phase change from water vapor to liquid water is known as...

• evaporation
• precipitation
• condensation
• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

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

Change from gas to liquid...

• condensation
• evaporation
• expansion
• movement

Tags

NGSS.MS-PS1-4

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

Melting is ...

• liquid to solid
• solid to liquid
• solid to gas
• gas to liquid

Tags

NGSS.MS-PS1-4