Earth Turns in Sunlight
Earth is a ball in space that turns around a line through its middle. As it turns, the Sun lights one side while the other side is dark.
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Age 8: open this week
Browse Age 8In the picture
- The Sun: the star that sends light toward Earth.
- Earth’s lit side: the half turned toward the Sun.
- Earth’s dark side: the half turned away from the Sun.
- The curved arrow: Earth spinning around its axis.
Examples
- Daytime outside, then nighttime later.
- A lamp lighting one side of a globe while the other side stays shadowed.
Key takeaways
- Earth spins once about every 24 hours.
- Day is the side facing the Sun; night is the side facing away.
Carry on in the app
Three questions on this lesson. It has left the free week, so its quiz is for subscribers.
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