Topic
Earth & space
Weather, oceans, seasons, the moon, orbits.
📖 storybook Why is it hot in summer and cold in winter?
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📖 storybook How does your phone know exactly where you are?
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Why do clouds float if they are full of water?
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Why does it rain instead of just staying cloudy forever?
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Why does wind blow from one place to another?
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Why do you see lightning way before you hear the thunder?
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Why does the sea have a high tide and a low tide every day?
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Why does the Moon change shape every night?
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Why isn't there an eclipse every single month?
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Why does a volcano explode instead of just oozing?
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Why does the day stay light longer in summer?
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Why does it get colder the higher up a mountain you go?
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Why does a hurricane spin in a circle?
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Why does the ocean stay salty but rain is fresh?
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Why does a planet's year get longer the farther out it is?
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Why does fog appear in the morning and then vanish?
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Why does the wind near the coast switch direction between day and night?
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Why do hailstones grow big in summer, the hottest time of year?
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Why is it pitch dark at night when space is full of stars?
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Why does the wind make giant waves out at sea but not in a pond?
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Why does dropping air pressure tell you a storm is coming?
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📖 storybook The Moon keeps one face toward us — so is it spinning, or frozen still?
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📖 storybook Why do ocean waves only crash and break when they reach the shore?
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📖 storybook How do collision history and source shape sand grains?
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📖 storybook How does the Sun's gravity change with distance?
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