Across
- 3. the word to describe when the illuminated part of the moon is decreasing
- 4. the Earth does this around itself every 24 hours
- 7. a possible answer to a scientific question
- 10. phase of the moon when less than half of the moon is illuminated
- 11. the type of scientist that specializes in studying systems in space
- 13. the Sun does this to the Moon
- 14. the explanation of how evidence supports the proposed answer to a scientific question
- 17. the border between light and dark on the moon
- 19. the idea that the sun is the center of the solar system
Down
- 1. the word to describe when the illuminated part of the moon is increasing
- 2. when a place can sustain life
- 5. the information used to support a proposed answer to a scientific question
- 6. features what we can see on the moon, like craters
- 8. the idea that the Earth is the center of the solar system
- 9. smaller parts that work together to form a complex whole
- 12. phase of the moon when more than half of the moon is illuminated
- 15. a giant star that is the center of the solar system
- 16. a rocky sphere that orbits the Earth
- 18. a rocky planet that is habitable
- 20. phases the different ways the moon can appear
- 21. the moon does this around the Earth