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States of Matter

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States of Matter

Layla and Kirra are getting a pizza shop ready for a busy day. Explore the solids, liquids and gases they find. Read each clue and show what you know.

Quick sort

At the pizza shop, the ingredients and equipment include a metal tray, tomato sauce, air in a balloon and a lump of dough. Choose the state of matter for each.

1.The metal pizza tray keeps its own shape. Is it a solid, liquid or gas?
2.Tomato sauce can be poured and takes the shape of its bottle. Is it a solid, liquid or gas?
  • Solid
  • Liquid
  • Gas
3.The balloon is puffed up with air. What state of matter is the air?
4.Raw pizza dough can be squashed and shaped, but it does not flow like sauce. Which state is it usually grouped with?
  • Solid
  • Liquid
  • Gas

Clues about particles

Scientists use tiny particle models to help explain how matter behaves. Particles are too small to see with our eyes.

5.In a solid, are the particles packed close together or spread far apart?
  • Packed close together
  • Spread far apart
6.Kirra pours water from a jug into a bowl. The water changes shape but is still water. What does this show about liquids?
7.True or false: air can spread out to fill the space inside a closed container.
TrueFalse
8.Match each pizza-shop example with its state of matter: ice cube, water, air.
  • Ice cube
  • Water
  • Air
  • Liquid
  • Solid
  • Gas

Explain and imagine

Use the clues from the shop to explain your thinking. There can be more than one good example of each state.

9.Why does a metal tray keep its shape, while sauce takes the shape of its bottle?
10.A warm pizza gives off water vapour as it cooks. Water vapour is an invisible gas. Name another gas you might find around the pizza shop.
11.Invent one new pizza-shop example for each state of matter. Write the example and its state.
Choose one state of matter from the pizza shop. Draw dots to show how its particles are arranged, then label it solid, liquid or gas.

4 printable pages

  • States of Matter, page 1 of 4: Quick sort

    Page 1

  • States of Matter, page 2 of 4: Clues about particles

    Page 2

  • States of Matter, page 3 of 4: Explain and imagine

    Page 3

  • States of Matter, page 4 of 4: Choose one state of matter from the pizza shop. Draw dots to show how its particles

    Page 4

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