Earth science

2. when a a place where the atmosphere and hydrosphere of earth has living organisms
5. When heat is getting transferred through something
6. solar system beyond the orbit of Neptune
9. when earth makes a full rotation around the sun.
11. When something is shiny.
12. another word for force that starts with a p
14. fusion Is the process when two light atomic nuclei combine to form one.
16. your birthday happens once a ----
19. irregularly shaped slab of rock that makes up the crust and upper mantel.
21. mineral composed of mostly silicon dioxide
22. 5th planet from the sun
23. Layer The layer of the atmosphere that protects us from harmful UV rays.
25. horizontal axis.

1. when something gets worn down over time.
3. its an ingredient found in sunscreen that is on the periodic table
4. Half of a planet divided by the equator
7. solar panels are an example of --------- ------
8. Type of rock that are compacted together over time.
10. in the Earth's crust for millions of years
13. how we have seasons
15. the light used in tanning beds.
17. How compacted a substance is
18. thing lava comes out of.
20. The time or day (twice a year when the sun crosses the celestial equate.
24. a system with millions of stars get held together by gravity.