Phase Change

The way molecules in a substance move around relative to each other

• Kinetic Energy

• Molecule

• Phase

• Freedom of Movement

Tags

NGSS.MS-PS1-4

The energy that an object has because it is moving

• Molecule

• Refute

• Density

• Kinetic Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A pull between two molecules that is always the same for a substance

• Kinetic Energy

• Molecular Attraction

• Molecule

• Mixture

Tags

NGSS.MS-PS1-1

A group of atoms joined together in a particular way

• Scale

• Refute

• Mass

• Molecule

Tags

NGSS.MS-PS1-1

A noticeably different form or state of the same substance

• Mixture

• Phase

• Mass

• Density

Tags

NGSS.MS-PS1-4

A measure of how hot or cold something is

• Phase

• Molecule

• Density

• Temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

To provide evidence that goes against a claim

• Mixture

• Refute

• Claim

• Sclae

Tags

NGSS.MS-LS1-3

NGSS.MS-LS2-4

How is the kinetic energy of molecules changing when the molecules move faster?

The kinetic energy . . .

• is not changing.

• is increasing.

• depends on the molecules.

• is decreasing.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What happens to particles when they are heated?

• They speed up and spread out
• They slow down and compress
• They stop moving
• They move closer together and speed up

Tags

NGSS.MS-PS1-4

7. All phase changes (changing states) requires energy to be added or taken away.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4