Energy and Matter

At higher temperatures.....

• particles in an object have less energy

• a gas contracts

• particles in an object move faster

• thermal contraction occurs

Tags

NGSS.MS-PS1-4

A gas...

• has a definite shape but no definite volume

• has fast-moving particles

• has a definite volume but no definite shape

• acts just like a liquid

Freezing.....

• solid to gas

• gas to solid

• liquid to solid

• liquid to gas

Tags

NGSS.MS-PS1-4

Boiling....

• liquid to solid

• liquid to gas

• gas to liquid

• gas to solid

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 is happening when my ice cream changes from a solid to a liquid?

• freezing

• boiling

• condensing

• melting

Tags

NGSS.MS-PS1-4

Particles in a _______ move quickly and are far apart.

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

Particles of a liquid....

• are tightly packed together and stay in a fixed position

• are free to move around one another but still touch

• move quickly and are far apart

Tags

NGSS.MS-PS1-4

What is condensation?

• gas to solid

• gas to liquid

• solid to gas

• liquid to solid

Tags

NGSS.MS-PS1-4

What is temperature?

• How hot or cold something is

• The measure of average kinetic energy of the particles in a substance

• The measure of the speed of the particles in a subtance

• The sum of kinetic energy and thermal energy

Tags

NGSS.MS-PS3-4