Across
- 6. a force applied to something
- 7. the amount of shine on something
- 8. the reason for the seasons
- 11. a type of crystal found in sedimentary rocks
- 14. allows water to boil
- 15. electromagnetic rays with short wavelengths
- 18. when the sun appears like it moving across the equator
- 19. how much matter is in an object
- 20. the thing you change in an experiment
- 21. colorless gass that protects the earth
- 22. horizontal line
- 23. the earth makes a full rotation around the sun
- 24. an orbit beond neptune
Down
- 1. dinosaur bones found in the dirt
- 2. atomic nucleus reaction of low atomic number fuse
- 3. when air water and other things break down other things
- 4. gas giant in space
- 5. the way earth is divided
- 9. earths crust makes a vent that lets out a hot liquid and gas
- 10. a chemical element that is brittle and gray
- 12. almost all living systems live in it
- 13. rocks formed by different minerals
- 16. Ridgid outer layer that moves on its own
- 17. when energy is made out something that never runs out