Across
- 1. When the northern hemisphere is experiencing SUMMER the Earth is tilted toward the __.
- 2. How long does it take Earth to make one revolution?
- 4. What season follows winter?
- 6. Planets appear to move in the sky against the backdrop of the ___.
- 9. Objects in the sky appear to move due to Earth's ___.
- 10. What object is at the center of the geocentric model?
- 11. What object is at the center of the heliocentric model?
Down
- 1. What do we experience because the Earth is tilted on its axis as it revolves around the sun?
- 3. The oval shape that planets follow around the sun is called an__.
- 5. What is the force that attracts all objects toward each other?
- 7. What revolves around Earth and reflects light from the sun?
- 8. What is the imaginary line that runs through Earth's poles?
- 9. Earth experiences day and night because of its ___ on its axis.