Day/Night Think Questions - Boston University



Day/Night Think Questions*

1. What is day and what is night?

2. Why is it dark at night?

3. Is it day all over the world at the same time, then night all over the world at the same time? Explain.

4. At any given time, how much of Earth is in day and how much is in night?

5. Which side of the Earth is in daylight?

6. How long is day and how long is night?

7. If Earth were made of glass, would we still have day and night?

8. How is the sun like a light bulb?

9. What makes the sun ‘come up’ and ‘go down’?

10. Does the sun come up in the morning all over the world? Explain.

11. How long is one day and one night on the moon?

12. Does the sun have day and night? Explain.

13. If Earth did not rotate, would there be day and night on Earth?

*Taken from the FOSS Planetary Science Course, © The Regents of the University of California

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