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Science Quiz - Materials - Solids, Liquids And Gases (Questions)

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.

Which one of these is a solid?

[ ]	The air
[ ]	The wood of the boat
[ ]	The water
[ ]	None of these

2.

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

3.

The picture shows two hot-air balloons. Which one of these is a gas?

[ ]	The air inside the balloons
[ ]	The metal of the cars
[ ]	The wood of the trees
[ ]	The fabric of the balloons

4.

When water gets very cold, it freezes. It turns into ice. Which one of these is a solid?

[ ]	Water
[ ]	Raindrops
[ ]	Ice
[ ]	Lemonade

5.

When snow melts it turns into ____.

[ ]	Ice
[ ]	Water
[ ]	Air
[ ]	Cotton wool

6.

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 ______.

[ ]	Frozen
[ ]	Ice
[ ]	Softer
[ ]	Harder

7.

When water boils it turns into steam. Which one of these is a gas?

[ ]	The steam
[ ]	The water
[ ]	The plastic of the kettle
[ ]	The metal in the wires

8.

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

9.

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

[ ]	A gas
[ ]	A liquid
[ ]	A solid
[ ]	Lemonade

10.

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

[ ]	Solid
[ ]	Liquid
[ ]	Gas
[ ]	Fluid

You can find more about this topic by visiting BBC Bitesize – Solids, liquids and gases

Science Quiz - Materials - Solids, Liquids And Gases (Answers)

1.

Which one of these is a solid?

[ ]	The air
[x]	The wood of the boat
[ ]	The water
[ ]	None of these

Have you ever been in a rowing boat?

2.

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

[ ]	The metal can
[x]	The drink
[ ]	The bubbles
[ ]	The air

The bubbles are bubbles of air

3.

The picture shows two hot-air balloons. Which one of these is a gas?

[x]	The air inside the balloons
[ ]	The metal of the cars
[ ]	The wood of the trees
[ ]	The fabric of the balloons

Hot air rises. That’s how hot-air balloons float up into the sky

4.

When water gets very cold, it freezes. It turns into ice. Which one of these is a solid?

[ ]	Water
[ ]	Raindrops
[x]	Ice
[ ]	Lemonade

Water freezes at 0^oC (centigrade)

5.

When snow melts it turns into ____.

[ ]	Ice
[x]	Water
[ ]	Air
[ ]	Cotton wool

Melting is when solids turn into liquids

6.

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 ______.

[ ]	Frozen
[ ]	Ice
[x]	Softer
[ ]	Harder

Do you use butter or do you use a spread?

7.

When water boils it turns into steam. Which one of these is a gas?

[x]	The steam
[ ]	The water
[ ]	The plastic of the kettle
[ ]	The metal in the wires

Be careful. Boiling water is very dangerous. Always leave kettles and pans to adults

8.

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

[ ]	A solid inside a liquid
[x]	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?

9.

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

[ ]	A gas
[x]	A liquid
[ ]	A solid
[ ]	Lemonade

Emily is using a watering-can

10.

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

[x]	Solid
[ ]	Liquid
[ ]	Gas
[ ]	Fluid

What do you like to drink?