Unit 6: Matter

At higher temperatures,

• particles in an object have less energy

• particles in an object move faster

• a gas contracts

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A gas

• has a definite shape but no definite volume.

• has a definite volume but no definite shape.

• has fast-moving particles.

Tags

NGSS.MS-PS1-4

Freezing refers to which phase change?

• Solid to gas

• Liquid to solid

• Gas to solid

Tags

NGSS.MS-PS1-4

Boiling is the process of changing from:

• liquid to gas

• gas to solid

• gas to liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which state of matter has a definite shape?

• solid
• liquid
• gas

What happens when my ice cream changes from a solid to a liquid?

• freezing

• melting

• burning

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The state of matter that has no definite size or shape is:

• Solid

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

Particles in a ______________________ move quickly and are far apart.

• gas

• solid

• liquid

Particles of a liquid:

• are tightly packed together and stay in a fixed position.

• are free to move around one another but still touch.

Tags

NGSS.MS-PS1-4

Solid to Gas

• Deposition

• Sublimation

• Evaporation

Tags

NGSS.MS-PS1-4