Topic
Earth & space
Weather, oceans, seasons, the moon, orbits.
ages 8–11 Why is it hot in summer and cold in winter?
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ages 8–11 How does your phone know exactly where you are?
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ages 8–11 Why do clouds float if they are full of water?
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ages 8–11 Why does it rain instead of just staying cloudy forever?
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ages 8–11 Why does wind blow from one place to another?
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ages 8–11 Why do you see lightning way before you hear the thunder?
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ages 8–11 Why does the sea have a high tide and a low tide every day?
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