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Science · Grades 1–3

Solid, liquid or gas?

Study guide for Grades 1 to 3: 2 worked examples and 2 practice questions. Check whether the material keeps its shape, flows, or spreads out to fill a space.

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Rule and key idea

Check whether the material keeps its shape, flows, or spreads out to fill a space.

solid: own shape · liquid: flows · gas: fills its container

Worked examples

Is a wooden block a solid, a liquid or a gas?

A solid keeps its own shape.

a solid

Is tap water a solid, a liquid or a gas?

A liquid flows and takes the shape of its container.

a liquid

Try two questions

  1. Is the gas in the bubbles of sparkling water a solid, a liquid or a gas?

    1. a solid
    2. a gas
    3. a liquid

  2. Is a metal spoon a solid, a liquid or a gas?

    1. a liquid
    2. a solid
    3. a gas

Answers and reasoning

Answers and marking notes
  1. a gas

    A gas spreads out to fill all of its container.

  2. a solid

    A solid keeps its own shape.

How this page was made: written for StudyBrix with AI assistance from our own templates. Answers and worked examples are checked by automated tests, and grade bands are approximate, not an official curriculum alignment. See the editorial policy for corrections. Editorial policy