States of Matter

Front

What are the three main states of matter?

Back

Solid, liquid, and gas.

Front

What is a solid?

Back

A state of matter where molecules are tightly packed together, have a definite shape, and vibrate in place.

Front

What is a liquid?

Back

A state of matter where molecules are close together but can move past one another, taking the shape of their container.

Front

What is a gas?

Back

A state of matter where molecules are far apart and move freely, filling the entire space available.

Front

What is plasma?

Back

A state of matter similar to gas but with charged particles, found in stars and lightning.

Front

What does it mean for particles to be in motion?

Back

Particles in matter are always moving, but the speed and type of movement depend on the state of matter.

Front

What is the difference between a solid and a liquid?

Back

Solids have a definite shape and volume, while liquids have a definite volume but take the shape of their container.

Front

What happens to the particles in a gas when heated?

Back

They move faster and spread further apart, causing the gas to expand.

Front

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

Back

Melting.

Front

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

Back

Evaporation.