Across
- 2. 2 days in which night and day are both 12 hours.
- 4. Longest day of the year.
- 6. Solar system model with Sun in the center.
- 7. Sun, planets, and all the other objects that revolve around the sun
- 11. When the Earth is farther from the Sun. (July)
- 13. Path the umbra travels across Earth.
- 14. Moon is between the Sun and Earth.
- 17. Resistance to any change in motion
- 18. Attraction force between any two objects
- 19. When Earth's shadow falls on the Moon.
- 20. Solar system model with Earth in the center.
Down
- 1. Shortest day of the year.
- 3. The darkest part of the Moon's shadow.
- 5. When the Earth is closer to the Sun. (January)
- 8. A collection of stars, dust, and gas bound together by gravity
- 9. The lighter part of the Moon's shadow.
- 10. When moon's shadow falls on the Earth.
- 12. Really high and really low tides.
- 15. Moon is on the opposite side of Earth from the Sun.
- 16. Not much difference between high and low tide.