States of Matter and Phase Changes

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three main states of matter?

Back

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

Front

What happens to ice when it melts?

Back

When ice melts, it turns into water, which is a liquid.

Front

What happens to water when it freezes?

Back

When water freezes, it turns into ice, which is a solid.

Front

What is melting?

Back

Melting is the process of a solid turning into a liquid when heat is added.

Front

What is freezing?

Back

Freezing is the process of a liquid turning into a solid when heat is removed.

Front

What is evaporation?

Back

Evaporation is the process of a liquid turning into a gas when heat is added.

Front

What is condensation?

Back

Condensation is the process of a gas turning into a liquid when it cools down.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume.

Front

What is a liquid?

Back

A liquid is a state of matter that has a definite volume but takes the shape of its container.