Phase Change Review

Which phase has the most dense molecules?

• gas

• liquid

• solid

• plasma

Which of the following is a liquid?

• 
• 
• 

Tags

NGSS.MS-PS1-4

Which phase has no definite volume and no definite shape?

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which phase change makes molecules LESS orderly or dense?

• freezing

• condensing

• deposition

• boiling

Tags

NGSS.MS-PS1-4

When you boil water from a liquid to a gas. This is _____.

• endothermic, b/c energy enters

• endothermic, b/c energy exits

• exothermic, b/c energy enters

• exothermic, b/c energy exits

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The dry ice lab showed a solid changing to a gas without first being a liquid. This type of phase change is called ____.

• Boiling

• Sublimation

• Deposition

• Freezing

Tags

NGSS.MS-PS3-4

The liquid nitrogen lab showed liquid nitrogen changing to gas. Which type of phase change is this?

• boiling

• sublimation

• freezing

• deposition

Tags

NGSS.MS-PS1-4

When you exhale, you release gas water molecules. They condensate into liquid water in your mask as they cool. This is _____.

• endothermic, b/c energy enters

• endothermic, b/c energy exits

• exothermic, b/c energy enters

• exothermic, b/c energy exits

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Here is a standard phase change graph. Which phase is being pointed to?

• Gas

• Solid

• Liquid

Tags

NGSS.MS-PS1-4

Here is a standard phase change graph. Moving downwards from right to left, which phase change is being pointed to?

• Melting

• Vaporization (boiling)

• Freezing

• Condensing

Tags

NGSS.MS-PS1-4