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

A solid has a fixed shape and volume but some solids can change shape when a force is applied.

A liquid can flow, has a fixed volume and takes the shape of the bottom of its container.

A gas can flow, has no fixed volume and takes the shape of the whole of its container.

The properties of a material or substance are its qualities or things it can do.

Properties of solids, liquids and gases

Science

In this Introduction to states of matter and changing states unit, pupils learn that some materials change state when they are heated or cooled. In the Properties, changes and separating materials unit, they will build on this knowledge to learn that dissolving, mixing and changes of state are reversible changes

In the Everyday materials unit, pupils learnt to compare and group together a variety of everyday materials on the basis of their simple physical properties. In this Introduction to states of matter and changing states unit, pupils will build on this knowledge to compare and group materials together according to whether they are solids, liquids or gases

This unit explores the properties of solids, liquids, and gases, and how materials change state when heated or cooled. It covers evaporation, condensation, and the water cycle, with a focus on practical enquiries, careful observations, accurate measurements, and presenting findings.

Introduction to states of matter and changing states

Physical activity and equipment requiring safe use

Substances can exist as different states of {{}}. 

Which of the following are different states of matter that substances can exist as? 

Solids, liquids and gases have different ________.

Materials in which state can be poured easily and take the shape of the bottom of container that they are in? 

Materials in which state keep their shape (unless a force changes it) and do not flow?

Which state of matter is often invisible to the human eye, can escape from an unsealed container and has no fixed shape or volume?

used to make curtains, clothes and bedding. 

the substances that objects are made of. 

Which of the following are not materials? 

Content guidance

Risk assessment required - equipment

Adult supervision required

Starter Quiz