States of Matter

Front

What is a solid?

Back

A solid is a state of matter that has its own shape and volume. The particles in a solid are closely packed together and do not move freely.

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. The particles in a liquid are close together but can move around each other.

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape or volume. The particles in a gas are far apart and move freely.

Front

What happens to a solid when it is heated?

Back

When a solid is heated, it can change into a liquid through a process called melting.

Front

What happens to a liquid when it is heated?

Back

When a liquid is heated, it can change into a gas through a process called evaporation.

Front

What happens to a gas when it is cooled?

Back

When a gas is cooled, it can change into a liquid through a process called condensation.

Front

What is melting?

Back

Melting is the process of a solid turning into a liquid when it is heated.

Front

What is evaporation?

Back

Evaporation is the process of a liquid turning into a gas when it is heated.

Front

What is condensation?

Back

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

Front

Can solids change shape?

Back

No, solids cannot change shape easily. They maintain their shape unless a force is applied.