Mon Prof Augmenté
Ice, water and vapour
Age 8 · Science
Water can be a hard solid, a flowing liquid or an invisible gas called vapour. When water freezes it weighs the same, but it takes up more space.
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Age 8: open this week
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In the picture
- Ice cube: water as a solid
- Glass of water: water as a liquid
- Rising vapour: water as a gas
- Frozen water bulging above the rim: ice takes up more space
Examples
- An ice cube melts into a puddle on a warm day.
- Steam rises from a pot of boiling pasta water.
Key takeaways
- Water changes between solid, liquid and gas when it gets warmer or colder.
- Freezing keeps the mass the same, but the ice takes up more room.
Quiz: Ice, water and vapour (Age 8)
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What is water vapour?
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When water freezes into ice, how much room does it take up?
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A glass of water freezes into ice. How much does the ice weigh compared with the water?
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