Across
- 3. A naturally occuring material whose atoms are in a crystal form.
- 5. A solid ball of iron and nickel at the center of the Earth.
- 6. An earth material made using pressure and heat.
- 8. The thinnest layer of Earth.
- 10. See 13 Down.
- 12. A rock layer that allows groundwater to flow through it.
- 14. Water that goes beneath Earth's surface.
- 15. Bits of rock that have been carried by wind or water.
- 17. The place where two tectonic plates meet.
- 18. What we call the massive pieces of land that move as fast as your fingernail grows.
- 19. The type of rock created by melting and cooling.
Down
- 1. A prefix that means "Earth or earth materials".
- 2. A trait of rocks like uranium.
- 4. The leftover radioactive material produced by nuclear reactors.
- 7. A type of rock created through long exposure to heat and pressure.
- 9. Losing something in order to gain something else.
- 11. A rock layer that restricts the flow of groundwater.
- 13. (With 10 Across)The common name for the movement of the ground.
- 16. Factual information that or data that supports or refutes a claim.