States of Matter Quiz

Grade 2 · Science · Quiz

Test your knowledge of solids, liquids, and gases!

Questions

1. What are the three states of matter?

   1. Big, small, medium
   2. Solid, liquid, gas
   3. Hard, soft, squishy
   4. Hot, warm, cold
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   Answer: Solid, liquid, gas

   Scientists classify all matter into these three main states.

2. A solid takes the shape of its container.

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   Answer: False

   Solids keep their own shape — liquids take the shape of their container.

3. Which is an example of a liquid?

   1. A brick
   2. Orange juice
   3. A cloud of steam
   4. A pencil
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   Answer: Orange juice

   Orange juice flows and takes the shape of its cup, making it a liquid.

4. Steam is water in the form of a ___.

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   Answer: gas

   Steam is water that has been heated until it becomes a gas.

5. Matter is anything that takes up space and has weight.

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   Answer: True

   Matter is defined as anything that takes up space and has weight.

6. When liquid water is heated enough, it turns into:

   1. Ice
   2. Rock
   3. Steam (gas)
   4. Soil
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   Answer: Steam (gas)

   Heating water causes it to evaporate and become water vapor (steam), a gas.

7. Ice is water in the form of a ___.

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   Answer: solid

   Ice is frozen water — it holds its own shape, so it is a solid.

8. Which property does a GAS have?

   1. It keeps its own shape
   2. It sinks to the bottom
   3. It spreads to fill any space
   4. It is always cold
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   Answer: It spreads to fill any space

   Gases have no fixed shape and expand to fill whatever container or space they are in.

9. Lava (melted rock) is an example of a liquid.

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   Answer: True

   Lava is melted rock that flows like a liquid before cooling and hardening into solid rock.

10. What does 'freeze' mean?

    1. A liquid changing to a gas
    2. A solid changing to a liquid
    3. A liquid changing to a solid
    4. A gas changing to a solid
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    Answer: A liquid changing to a solid

    Freezing is when a liquid gets cold enough to turn into a solid, like water turning to ice.

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