Lesson 2 - Changes of State

The temperature at which a liquid turns to a gas is

• called the freezing point

• called the boiling point

• 0 degrees Celsius

• the same for an amorphous or a crystalline solid

Vaporization is the reverse of condensation

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Evaporation and condensation are both types of vaporization.

• True

• False

A puddle dries up by the process of _____.

• evaporation

• melting

• freezing

• condensation

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Particles of which of the following have the greatest thermal energy?

• a gas

• a liquid

• a solid

• an amorphous solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the melting point of water?

• 212°C
• 100°C
• 32°C
• 0°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How do you make matter change state?

• Add energy to it
• Take energy away from it
• Both of these

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Adding more heat energy to particles of matter will

• make them move slower
• make them move faster
• make them stop moving
• destroy them

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is it called when the state of matter changes from a liquid to a solid?

• Vaporization
• Freezing
• Condensation
• Melting

Tags

NGSS.MS-PS1-4

What is it called when the state of matter changes from a solid to a liquid?

• Vaporization

• Freezing

• Condensation

• Melting