Across
- 2. Earth has an _______ which is tilted at an angle of 23½ degrees.
- 4. Earth is a _______ in the solar system.
- 5. Earth _______ or travel around the Sun.
- 6. The _______ of the Earth causes night and day.
Down
- 1. An imaginary line that divides the Earth into two hemispheres.
- 3. The revolution of the Earth around the sun causes a change in _______.