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Water’s Sky Journey

Water from a lake turns into vapor and goes up into the air. High up it cools, clings to tiny specks, makes drops, and falls as rain.

In the picture

  1. Lake water surface: vapor rising into the air
  2. Tiny airborne speck: a droplet clinging to it
  3. Gray cloud: many droplets gathered together
  4. Falling raindrop: water returning to the land

Examples

  • A puddle drying after rain
  • Steam rising from a hot bath

Quiz: Water’s Sky Journey (Age 9)

  1. What causes liquid water to turn into vapor?

    • Cold
    • Wind
    • Heat
  2. When water vapor cools high in the air, what does it form?

    • Warm air
    • Dry dust
    • Tiny droplets
  3. When many droplets gather together in the sky, what do they make?

    • A speck
    • A lake
    • A cloud

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Science, Age 9