Earth and Space Science
Across
- 2. To reuse materials after they have been changed into another form
- 5. lit portion of the moon grows larger
- 7. an area of land drains or "sheds" water into a specific body of water
- 11. moving in a fixed path around an object
- 12. using resources in a way that they will continue to be available in the future
- 15. patterns created by groups of stars
- 16. waste, chemicals, or other harmful substances that dirty or contaminate the environment
Down
- 1. process in which earthen materials are worn away and transported by natural forces
- 3. protection of nature and Earth's natural resources
- 4. eclipse where the moon is between the sun and the Earth
- 6. believed the sun was the center of the universe
- 7. lit portion of the moon grows smaller
- 8. instrument that makes distant objects appear larger
- 9. spinning or turning on an axis
- 10. Ptolemy believed the _____ was the center of the universe
- 13. the ____ of Earth's axis causes the seasons
- 14. eclipse where the moon seems darker because it's behind the earth