Phase Changes

Match the following

• Particles vibrate in a fixed position

• liquid water

• Particles move very fast and bounce away

• solid ice

• Particles in contact move past another

• water vapor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Match the following

• Lowest density

• solid ice

• Highest density

• water vapor

• Intermediate density

• liquid water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Reorder from weakest intermolecular forces to strongest intermolecular forces (1 being the weakest)

• gas

• liquid

• solid

Reorder from lowest entropy to highest entropy (1 being the lowest)

• liquid

• solid

• gas

Label the phase change concept map with the appropriate phase change

a

b

c

d

e

f

deposition

condensation

melting

sublimation

freezing

vaporization

Tags

NGSS.MS-PS1-4

Categorize each phase change as endothermic or exothermic

Groups:

(a) Endothermic

,

(b) Exothermic

• freezing

• condensation

• deposition

• melting

• sublimation

• vaporization

Tags

NGSS.MS-PS1-4