Across
- 3. when one side of the Earth is facing the Sun.
- 5. movement of one object in an orbit around another, which causes the year.
- 7. caused by Earth's revoluton and tilt on its axis.
- 8. imaginary line through the center of an object that it spins on.
Down
- 1. path one object takes around another.
- 2. 365 days, the time it takes for one revolution around the Sun.
- 3. 24 hours, the time it takes for one rotation.
- 4. spinning of the Earth on its own axis, which causes day and night.
- 6. when one side of the Earth is opposite to the Sun.