Study

4th Grade 7 & 8

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  • What percentage of the earth is water?
    70%
  • How many colours are in sunlight?
    7
  • Why is the process explained called 'the water cycle'?
    Because the same water is used again and again.
  • What is sleet?
    Partially frozen rain.
  • What causes the water of the oceans to evaporate?
    The heat of the sun.
  • What is the shape of a rainbow?
    It's a full circle.
  • In order for water droplets to fall as rain, the clouds must be____
    ____ heavy.
  • Make a sentence with the given word : appear
    -
  • Make a sentence with the given word : flow.
    -
  • If you want to make your own rainbow with a garden hose, in what position should you stand?
    You should stand with the sun behind you.
  • Clouds are made of water___
    ___vapor.
  • What happens when sunlight enters a prism?
    It splits into various colours.
  • The most common kind of naturally existing prism is _____
    _____ a water droplet.
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