Across
- 2. the innermost portion of Earth that consists of solid iron and nickel
- 4. a place in Earths surface where hot magma is forced up, forming a mountain that erupts with lava and hot gasses
- 8. the manner of a mineral or rock to break in a certain shape
- 9. a crack in Earths crust where pieces of rock rub against each other, releasing energy waves during an earthquake
- 13. the process occurring at converging plate boundaries in which one lithospheric plate slides under another
- 14. a solid, inorganic crystalline substance with a definite chemical composition
- 16. a naturally occurring combination minerals
- 17. the stress and strain in the earth that causes the crust to fracture, fault or fold
- 19. the movement of Earths surface caused by waves of energy released as rocks move along faults
- 20. the name of landmass believed to have broken up into todays continents
Down
- 1. the salt water covering 72 percent of Earths surface
- 3. a natural rise in the Earths surface having steep sides
- 5. the outer most layer of earth, mostly solid rock
- 6. smaller earthquakes that occur after the primary earthquake, which are a result of Earths plates settling into new positions
- 7. the water beneath the surface of Earth between saturated soil and rock that supplies wells and springs
- 10. rock the rock s formed from sediments (sand, clay, and other materials that settle in water
- 11. the name of Earths crust that rests and moves on the semi-liquid mantle
- 12. a rock in melted form
- 15. an instrument that records earthquake waves
- 18. the layer of Earth that lies between the crust and the core