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Grade 2 · Science · Unit 3 of 8

Solids & Liquids

Melting, freezing and steam

What your child practises

Sorting solids and liquids, describing melting, freezing and boiling, and changes that can or can't be undone.

Nunavut Curriculum approved guide: NWT Science and Technology K–6 (2004), Physical science · states of matter and changes of state

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    What happens when you warm up butter?

    • 🧈It gets softer and melts
    • 💨It becomes a gas right away
    • 🪨It turns into stone

  2. Question 2

    What do we call the process of a liquid becoming a solid when it gets cold?

    • melting
    • boiling
    • freezing

  3. Question 3

    What happens to water in the freezer?

    ❄️
    • 🧊It freezes into ice
    • 💨It disappears
    • 🧃It turns into juice

  4. Question 4

    Is it a solid or a liquid? Tap an item, then tap its basket.

    Sort into: 🧱 solid · 💧 liquid

    • 🍯honey
    • 💧water
    • 🍎apple
    • 🧊ice cube
    • 🧃juice
    • 🪨rock

  5. Question 5

    Which change CANNOT be undone?

    • 🧊ice melting
    • 🍞toast being made from bread
    • 💧water freezing

  6. Question 6

    Which words describe a solid?

    • 💧flows and pours
    • 💨floats away in the air
    • 🧱hard and keeps its shape

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