States of Matter and Phase Changes

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a solid?

Back

A state of matter where particles are packed closely together, vibrate in place, and have a strong molecular attraction.

Front

What is a liquid?

Back

A state of matter where particles are less densely packed, slide past each other, and have a weaker molecular attraction than solids.

Tags

NGSS.MS-PS1-4

Front

What is a gas?

Back

A state of matter where particles are far apart, move freely, and have very weak molecular attraction.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

Front

What is plasma?

Back

The fourth state of matter, consisting of electrically charged particles, often found in stars and lightning.

Front

What happens to water molecules when ice melts?

Back

Water molecules become less orderly and spread out as the temperature increases.

Tags

NGSS.MS-PS1-4

Front

How does the kinetic energy of particles change during a phase change?

Back

The kinetic energy of particles increases as they move from solid to liquid to gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the process of changing from a solid to a liquid called?

Back

Melting.

Tags

NGSS.MS-PS1-4

Front

What is the process of changing from a liquid to a gas called?

Back

Evaporation.

Tags

NGSS.MS-PS1-4

Front

What is condensation?

Back

The process of changing from a gas to a liquid.

Tags

NGSS.MS-PS1-4