Phase Changes

Front

What is a phase change?

Back

A phase change is a transition of matter from one state (solid, liquid, gas) to another due to the addition or removal of energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What are the three main phases of matter?

Back

The three main phases of matter are solid, liquid, and gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

How do solid molecules move?

Back

Solid molecules move in place.

Front

What happens to molecules in a liquid?

Back

In a liquid, molecules are close together but can move around each other.

Front

What is evaporation?

Back

Evaporation is the process where a liquid turns into a gas.

Tags

NGSS.MS-PS1-4

Front

What is condensation?

Back

Condensation is the process where a gas turns into a liquid.

Tags

NGSS.MS-ESS2-4

Front

What is freezing?

Back

Freezing is the process where a liquid turns into a solid.

Tags

NGSS.MS-PS1-4

Front

What is melting?

Back

Melting is the process where a solid turns into a liquid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is kinetic energy?

Back

Kinetic energy is the energy of motion that molecules have when they are moving.

Tags

NGSS.MS-PS3-1

Front

Do substances with stronger attraction require more energy to change phases?

Back

Yes, substances with stronger attraction need more energy to change phases.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4