Phase Change Chemistry

A wet shirt is put on a clothesline to dry on a sunny day. The shirt dries because water molecules......

• Gain heat energy and condense

• Gain heat energy and evaporate

• Lose heat energy and condense

• Lose heat energy and evaporate

Tags

NGSS.MS-PS1-4

The process being shown is......

• freezing

• melting

• vaporization

• condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What process forms the water droplets on the outside of the cup?

• evaporation

• condensation

• sublimation

• deposition

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Evaporation is.....

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When the temperature of matter decreases the particles ...

• speed up and move farther apart

• speed up and move closer together

• slow down and move farther apart

• slow down and move closer together

Tags

NGSS.MS-PS1-4

What happens when thermal energy is taken away from particles?

• They move faster and farther apart

• They move slower and closer together

Tags

NGSS.MS-PS1-4

Which line segment demonstrates vaporization occurring?

• B-C

• C-D

• D-E

• E-F

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Where on the graph are phase changes taking place? There are 2 answers!!!

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-4

Between which points is the temperature of the substance remaining constant?

• A-B only.

• A-B, C-D, E-F

• B-C only.

• B-C, D-E

Tags

NGSS.MS-PS1-4

As substance goes from D to E what happens to the distance between the particles?

• particles get closer together

• particles disappear

• particles get far apart

Tags

NGSS.MS-PS1-4