Across
- 2. break in Earth’s crust
- 5. force that acts on rock to change its shape or volume
- 7. preserved remains or traces of once living things
- 9. transfer of energy by movement of particles
- 12. The greatest teacher to ever live
- 13. naturally occurring, inorganic solid with crystal like structure and chemical composition
- 14. carry energy of an earthquake away from the focus
- 16. weak spot in Earth's crust where molten material comes to the surface
- 17. number of years since a rock formed
- 21. process by which sediment settles out of the water or wind carrying it
- 23. age of flowering plants
Down
- 1. molten mixture of rock forming substances, gases and water from the mantle
- 3. how light reflects off a minerals surface
- 4. age of Fishes
- 6. when particles get carried away from their source by wind or water
- 8. magma that cools and hardens into a mass of igneous rock beneath the surface
- 10. the age of a rock compared to that of another rock
- 11. color of a minerals powder
- 15. transfer of energy through contact of particles
- 18. vibrations in the ground that result from movement along faults
- 19. transfer of energy by electromagnetic waves, or energy that can travel through space
- 20. age of homosapiens
- 22. when a mineral breaks apart in an irregular way