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Earth’s Tilted Axis
Age 10 · Astronomy
Earth spins around a tilted rod called its axis. As Earth travels around the Sun, that same tilt makes first one half and later the other half lean toward the Sun.
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Age 10: open this week
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In the picture
- The rod through Earth’s poles: Earth’s rotation axis, tilted and keeping the same slant.
- The Northern Hemisphere: the upper half of a globe leaning toward the Sun.
- The Southern Hemisphere: the lower half of a globe leaning toward the Sun.
Examples
- Hot summer days when your hemisphere leans toward the Sun.
- Cold winter days when your hemisphere leans away from the Sun.
Key takeaways
- Earth’s axis is tilted, and the tilt keeps the same direction all year.
- The hemisphere leaning toward the Sun gets more direct sunlight and has summer.
Quiz: Earth’s Tilted Axis (Age 10)
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What is Earth’s axis like?
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Why does a hemisphere have summer when it leans toward the Sun?
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As Earth travels around the Sun, what does its unchanging tilt cause?
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