Solids, Liquids and Gases Y4

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume. Examples include rocks, wood, and metals.

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. Examples include water, juice, and oil.

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape or volume. It expands to fill its container. Examples include air and steam.

Front

How do solids behave?

Back

Solids keep their shape and do not flow. They have tightly packed particles.

Front

How do liquids behave?

Back

Liquids can flow and take the shape of their container, but they have a fixed volume.

Front

How do gases behave?

Back

Gases move freely and can spread out to fill any space. They vibrate and move at high speeds.

Front

What happens when you heat a solid?

Back

When you heat a solid, it can change into a liquid through a process called melting.

Front

What happens when you cool a gas?

Back

When you cool a gas, it can change into a liquid through a process called condensation.

Front

What is evaporation?

Back

Evaporation is the process where a liquid turns into a gas, usually when heated.

Front

What is condensation?

Back

Condensation is the process where a gas turns into a liquid, usually when cooled.