Unit 9 States of 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

A gas

• has a definite shape but no definite volume

• has a definite volume but no definite shape

• has no definite shape or volume

Which state of matter has tightly packed molecules?

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

Define a liquid.

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• gas
• solid
• liquid

Tags

NGSS.MS-PS1-4

Particles of a liquid

• are tightly packed together and stay in a fixed position.
• have no viscosity.
• decrease in volume with increasing temperature.
• are free to move around one another but still touch.

Tags

NGSS.MS-PS1-4

What term describes a solid changing to a gas?

• Deposition
• Sublimation
• Evaporation
• Freezing

Tags

NGSS.MS-PS1-4

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• gas
• solid
• liquid

Tags

NGSS.MS-PS1-4

What is condensation?

• gas to solid
• gas to liquid
• liquid to solid 
• solid to liquid 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which has a greater distance between particles?

• Solid
• Liquid