Earth science

2. common naturally occurring mineral composed of silicon and oxygen atoms
4. The fifth planet from the sun and the largest in our solar system
6. the process by which rocks,soils,and minerals break down
9. Variable a variable whose variation does not depend on that of another
12. a half of a sphere
15. vent or fissure in the crust of a planetary mass object
17. unit if time based on the roughly 351/4 days taken by the earth
18. process including movement of a liquid that leads to a transfer of heat
19. represents the independent variable
20. fusion reaction in which two or move atomic nuclei combine to form a larger nuclei
21. a system of stars,stellar remnants,interstellar gas,dust, and dark matter
23. measurement of how tightly a material is packed together
24. radiation an invisible form of electromagnetic radiation from the sun and artificial sources

1. the way a minerals surface reflects light
3. inhabits all living organisms and the places where they live
5. a molecule composed of three oxygen atoms
7. belt a region in our solar system
8. energy derived from naturally replenishing sources like sunlight
10. the amount of force exerted per area
11. plates large sections of the earth's lithosphere
13. an event in which a planets sub solar point passes through it's equator
14. rock a rock that has formed from sediment deposited by water or air
16. a nutrient found throughout the body
22. tilt an angle between a planets rotational axis and a line across to it's orbital plane