Earth's Seasons: A Tilted Ride Around the Sun
Earth's Seasons: A Tilted Ride Around the Sun
Have you ever wondered why we have seasons? Why is it hot in the summer and cold in the winter? The answer lies in Earth's tilt and its journey around the sun!
What is Axial Tilt?
Imagine a line going straight through the Earth from the North Pole to the South Pole. That's Earth's axis! Now, imagine Earth standing perfectly upright. But it's not! Our Earth is tilted on its axis by about 23.5 degrees. This tilt is called the axial tilt, and it's the reason we have seasons.
How Tilt Creates Seasons
As Earth orbits, or travels around, the sun, the amount of sunlight that different parts of Earth receive changes. When the Northern Hemisphere (the top half of Earth) is tilted towards the sun, we experience summer. The days are longer, and the sun's rays hit us more directly, making it warmer.
- Axial Tilt:
- The angle at which a planet's axis leans.
- Orbit:
- The path a planet takes around the sun.
- Hemisphere:
- Half of the Earth (Northern or Southern).
- Axis:
- An imaginary line through the center of a planet, around which it rotates.
- angle:
- A slant or direction that is not straight-on, causing the sun's rays to spread out and provide less heat.
- extreme:
- Far beyond what is normal or usual, such as a tilt that is much greater than that of other planets.
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- 1What causes the seasons on Earth?
- 2What is Earth's axial tilt?
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About this informational passage for Upper Elementary
“Earth's Seasons: A Tilted Ride Around the Sun” is a informational reading passage about Earth Science, written for Upper Elementary. It takes about 2 minutes to read (364 words) and comes with an interactive quiz and a printable worksheet with comprehension questions and an answer key.