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Gases, liquids and solids

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1. Which of the following is NOT a gas?

Air

Car exhaust fumes

The sea

2. You blow up a balloon. Is it heavier or lighter than the uninflated balloon?

Heavier

Lighter

They weigh the same

3. When you squeeze a sponge under water, what are the bubbles that escape?

Pieces of sponge

Air coming from the spaces in the sponge

Water

4. Which material is a liquid?

Sponge

Shampoo

Salt

5. Which material is a solid?

Syrup

Cooking oil

Cotton wool

6. To change a solid metal to a liquid, you would

heat it

cool it

bend it

7. Which of these is NOT an example of a solid?

Dust

Runny honey

Gravel

8. Which one of these best describes a solid?

My particles are packed tightly together. I keep my shape.

My particles are loosely packed. I take the shape of my container.

My particles have lots of room. I try to spread out in every direction.

9. Which one of these best describes a liquid?

My particles are packed tightly together. I keep my shape.

My particles are loosely packed. I take the shape of my container.

My particles have lots of room. I try to spread out in every direction.

10. Which one of these best describes a gas?

My particles are packed tightly together. I keep my shape.

My particles are loosely packed. I take the shape of my container.

My particles have lots of room. I try to spread out in every direction.

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