Phase Change

In which state of matter are molecules always moving?

• Liquid

• Solid

• Gas

• Molecules are ALWAYS moving in all three states!

Tags

NGSS.MS-PS1-4

How are molecules moving in a LIQUID?

• Moving in place

• Moving around each other

• Moving away from each other

• Not moving

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How are molecules moving in a SOLID?

• Moving in place.

• Moving around each other.

• Moving away from each other.

• Not moving at all.

How are molecules moving in a GAS.

• Moving in place.

• Moving around each other.

• Moving away from each other.

• Not moving at all.

Tags

NGSS.MS-PS1-4

Water molecules were moving IN PLACE and then after energy was transferred into it they were moving AROUND EACH OTHER. What phase change occured?

• Freezing

• Melting

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you transfer energy INTO a substance, how will the movement of the molecules change?

• They will move SLOWER.

• They will move FASTER.

• They will not change speed.

• Not enough information is provided.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you transfer energy OUT OF a substance, how will the movement of the molecules change?

• They will move SLOWER.

• They will move FASTER.

• They will not change speed.

• Not enough information is provided.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If you transfer energy INTO a liquid, which state of matter will it be in?

• Solid

• Gas

• Plasma

• Water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you transfer energy OUT OF a liquid, which state of matter will it be in?

• Solid

• Gas

• Plasma

• Water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you transfer energy into two substances, which will EVAPORATE faster?

• The one with WEAK attraction.

• The one with STRONG attraction.

• Neither will evaporate.

• Both will evaporate.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4