1. What does rotation mean? 2. What is the rotation of the Earth?
3. What does revolution mean?
4. What is the revolution of the Earth around the Sun?
5. How long does the rotation of the Earth take?
6. What is one rotation of the Earth called?
7. About how long does the revolution of the Earth around the Sun take?
8. What is the revolution of the Earth around the Sun called?
9. How fast does the Earth spin?
10. How much of the Earth is lighted up at any given time? (day or night will have the same answer)
11. In what direction does the Earth rotate?
12. What is the angle of the Earth's axis?
13. What is perihelion?
14. What is aphelion?