Front

What is a gas?

Back

A state of matter where particles are far apart and move freely, filling the shape and volume of their container.

Front

What happens to particles in a solid?

Back

Particles in a solid vibrate in place but cannot move past each other, maintaining a fixed shape.

Tags

NGSS.MS-PS1-1

Front

Define the term 'fluid'.

Back

A fluid is any substance that flows. It may be a liquid or a gas.

Front

What is evaporation?

Back

Evaporation is the process where liquid water heats up and particles escape from the surface.

Tags

NGSS.MS-ESS2-4

Front

What is the melting point of water?

Back

The melting point of water is 0 degrees Celsius.

Tags

NGSS.MS-PS1-4

Front

What is a liquid?

Back

A state of matter where particles are close together but can move past each other, taking the shape of their container.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is boiling?

Back

Boiling is the rapid vaporization of a liquid when it reaches its boiling point.

Tags

NGSS.MS-PS1-4

Front

What is the difference between evaporation and boiling?

Back

Evaporation occurs at any temperature and only at the surface, while boiling occurs throughout the liquid at a specific temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is condensation?

Back

Condensation is the process where gas turns into a liquid when it cools down.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is sublimation?

Back

Sublimation is the process where a solid turns directly into a gas without becoming a liquid first.

Tags

NGSS.MS-PS1-4