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States of Matter Exploration

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States of Matter Exploration

Join Hudson, Oliver and Tahnee on a stargazing night. Read the short science briefing, then solve each matter mystery. Matter is anything that takes up space.

Stargazing Science Briefing

At the campsite, the children notice three forms of matter. A metal telescope keeps its own shape: it is a solid. Water in a cup flows and takes the shape of its container: it is a liquid. Air inside a balloon is a gas. We cannot usually see air, but it takes up space. A gas spreads out to fill the space available to it. When ice warms, it melts and becomes liquid water.

Matter Mysteries

Use the briefing and your science thinking to solve the questions.

1.Hudson checks the telescope. Which property tells him it is a solid?
  • It keeps its own shape.
  • It flows to fit its container.
  • It spreads out to fill a space.
2.Oliver pours water from a cup into a bowl. What will the liquid do?
  • Keep exactly the same shape as the cup
  • Flow and take the shape of the bowl
  • Spread out to fill the whole campsite
3.Tahnee lets go of an inflated balloon. Which statement best describes the air inside it?
  • It is a solid because the balloon has a shape.
  • It is a liquid because it is inside a container.
  • It is a gas that takes up space inside the balloon.
4.True or false: A liquid always keeps its own shape, even when poured into a different container.
TrueFalse
5.Complete the sentences with solid, liquid or gas. The ice cube is a . After it melts, it becomes a .
6.At the campsite, classify each item as a solid, liquid or gas: a metal tent peg; juice in a bottle; air in an inflated ball.
7.The children cannot see the air in the balloon. Describe one clue that shows air is inside it.
8.An ice cube is left beside the telescope on a mild evening. Predict what will happen and name the change of state.
9.A sealed, empty-looking jar is opened. Is the jar really empty? Explain using what you know about gases.
10.Imagine a tiny amount of air released from the balloon into a much larger tent. What will the gas tend to do?
11.Make a labelled mini-sketch showing one solid, one liquid and one gas from the stargazing scene. Add one short note explaining how each behaves.

3 printable pages

  • States of Matter Exploration, page 1 of 3: Stargazing Science Briefing, Matter Mysteries

    Page 1

  • States of Matter Exploration, page 2 of 3: 3. Tahnee lets go of an inflated balloon. Which statement best describes the air

    Page 2

  • States of Matter Exploration, page 3 of 3: 9. A sealed, empty-looking jar is opened. Is the jar really empty? Explain using what

    Page 3

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