Across
- 2. crude oil
- 3. tiny living organisms (spongebob character)
- 6. this dense layer made of hot, semisolid rock
- 7. theory that states that the earth's outer layer, or lithosphere, is broken into several large slabs called plates.
- 9. a common mineral in rocks
- 11. bubbles formed by volcanic gases in lava
- 18. type of rock
- 20. a growth in volume
- 21. cracks in rock
- 23. ground shaking
- 25. medium-grained, sedimentary rock
- 29. the only liquid layer of the earth
- 30. rocky mound or bank
- 31. microscopic mineral grains
- 32. metamorphic rock formed from limestone
- 33. mass-movement of rock from a cliff
- 34. a white limestone
- 36. round grain of calcium
- 37. type of rock
- 39. a (metallic) chemical
- 40. Greek word for all the earth
Down
- 1. mass-movement of soil and water formed after heavy rain
- 4. movement of sediment by water
- 5. german researcher
- 8. this subject
- 10. forces that pull rocks apart
- 12. type of rock
- 13. Igneous rock
- 14. a river mouth
- 15. Hard and rigid, it's the earth's outermost and thinnest layer
- 16. molten rock
- 17. An extremely hot, solid sphere of mostly iron and nickel at the center of the earth.
- 19. any solid portion of the Earth
- 22. sediment particles from 0.1 to 2mm diameter
- 24. shrinkage resulting from cooling
- 25. an intrusion of igneous rock
- 26. layers of rock formed by deposition
- 27. escape of molten rock
- 28. A rock fold that bulges upward in the middle.
- 35. rocky park of the earth
- 38. erosion of rock