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Rock is a solid, water is a liquid and air is a gas.

Materials - Solids, Liquids And Gases

Solids, liquids, and gases are all around you. In this KS1 Science quiz, find out how they behave, change shape, and fill spaces.

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Fascinating Fact:

Explaining solids, liquids, and gases sounds like, “Solids keep shape, liquids pour, gases spread and fill spaces.”

In KS1 Science, children explore how materials can be solids, liquids, or gases. They compare how each one behaves, helping them understand melting, freezing, pouring, and invisible air.

Key Terms

Solid: A material that keeps its own shape, like a brick, toy, or pencil.
Liquid: A material that can be poured and takes the shape of its container, like water or juice.
Gas: A material that spreads out to fill all the space available, like the air we breathe.

Frequently Asked Questions (Click to see answers)

What are solids, liquids and gases in KS1 science?

In KS1 science, solids are materials that keep their shape, liquids can be poured, and gases are often invisible and spread out to fill their container.

How can I tell if something is a solid, liquid or gas?

Ask three questions: Does it keep its shape? It is a solid. Does it pour and change shape? It is a liquid. Does it spread to fill space? It is a gas.

Why is it important to learn about solids, liquids and gases?

Learning about solids, liquids and gases helps children understand everyday things like weather, cooking, heating, and why some materials are chosen for certain jobs.

Try These Related Quizzes

1 .

Mira is pouring a fizzy drink out of a can. Which one of these is a liquid?

The metal can

The drink

The bubbles

The air

The bubbles are bubbles of air

2 .

Grace's mum is blowing up a balloon. The balloon is:

A solid inside a liquid

A gas inside a solid

A liquid inside a gas

A gas inside a liquid

Why is it so hard to blow up a balloon?

3 .

Emily is watering the plants in the garden. What is Emily pouring onto the plants?

A gas

A liquid

A solid

Lemonade

Emily is using a watering-can

4 .

When snow melts it turns into ____.

Ice

Water

Air

Cotton wool

Melting is when solids turn into liquids

5 .

Which one of these is a solid?

The air

The wood of the boat

The water

None of these

Have you ever been in a rowing boat?

6 .

Hannah is stirring a drink with a spoon. The spoon is a _____.

Solid

Liquid

Gas

Fluid

What do you like to drink?

7 .

Some solids are not very hard. Butter is a soft material. Adam takes the butter out of the fridge and puts it into a warm room. What happens to the butter? The butter in the warm room is ______.