Science

2. Are the preserved remains of traces of ancient organisms that are once lived on Earth
5. The basic materials of earth's crust.
10. Type of mining that is used to extract ore from below the surface of the earth.
11. is a process that is used for the extraction of metals in their pure form.
14. It means "splitting with electricity"
16. Process of making cole or petrified coal
18. The scientific study of rocks dealing with their composition,structure and texture
19. Use for making high strength heat resistant alloys.
20. Is any natural occurring solid mass.

1. Refers to the way light is reflected from a mineral surface.
3. Is solid material that is move and deposited in a new location.
4. The solid portion of Earth, its structure and land.
6. The upper limit of our atmosphere.
7. Uses plants to absorb minerals from the soil.
8. the ability to grow under UV light.
9. Used in electronic, electrical goods, building, construction, vessels.
12. "Zone of Life", where life exist.
13. Is a process where the denser material is sink to the bottom, thus separated from lighter materials.
15. Extracting valuable minerals from the earth.
17. Are crystallized form of magma or molten volcanic material.