Across
- 2. A break in Earth's crust where rocks can slide past each other
- 3. The part of the core of the Earth that has been pressed into a solid due to pressure(2 words, don't add space)
- 5. The part of the core of the Earth that is liquid(2 words, don't add space)
- 7. A broad, dome-shaped volcano formed by nonexplosive eruptions (2 words, don't add space)
- 9. Part of Earth's crust that consists mostly of ocean (2 words, don't add space)
- 12. The geologic theory that the lithosphere consists of plates that are constantly moving around (2 words, don't add space)
- 13. The 41,600-mile-long mountain chain in the ocean where divergent boundaries are often found (2 words, don't add space)
- 17. A large ocean wave caused by an earthquake under the ocean floor
- 18. The location of magma formed at a location on a plate other than the boundary (2 words, don't add space)
- 19. Small pieces of rock that are weathered and eroded
- 20. Part of Earth's crust that consists mostly of land (2 words, don't add space)
- 22. A large rock from space that falls to Earth or another celestial body
- 24. A plate boundary where two plates slide past each other in opposite directions (3 words, don't add space)
- 26. What scientists call the supercontinent that existed 220,000,000 years ago
- 27. A plate boundary where two plates are pushing into each other(2 words, don't add space)
- 30. A huge, moving sheet of ice
- 31. A single landmass formed when all of Earth's continents come together
- 32. The fastest waves of energy produced by an earthquake which travels through the Earth's interior and compresses and expands the ground when it moves (2 words, don't add space)
- 34. The second-fastest waves of energy produced by an earthquake which travels through the Earth's interior and move across the direction the P waves are traveling in (2 words, don't add space)
- 36. A scale used to measure the strength of an earthquake not by seismograph readings but by measuring the distance that rock has moved along the fault (3 words, don't add space)
- 38. A process that occurs along the mid-ocean ridge where new lithosphere is formed, when hot mantle rock moves up in between plates and cools to form new crust (3 words, don't add space)
- 41. A steep-sided volcano formed by explosive eruptions (3 words, don't add space)
- 43. The process of rock being broken down into smaller pieces
Down
- 1. A mountain formed by magma that is pushed to the surface
- 4. The snap and slide of rocks as energy is released in Earth's crust
- 6. A plate boundary where multiple plates are moving away from each other (2 words, don't add space)
- 8. This includes part of the upper mantle and is directly below the lithosphere
- 10. A scale often used to measure the strength of an earthquake based on seismograph readings, invented by the man who invented it in 1935 (2 words, don't add space)
- 11. The removal and transportation of weathered material
- 14. The dropping or settling of eroded material
- 15. The thin, outermost layer of the Earth
- 16. A deep valley in the mid-ocean ridge where plates move apart
- 21. An instrument used to detect earthquake waves
- 22. A scale that uses Roman numerals to measure how much damage an earthquake caused to structures (3 words, don't add space)
- 23. Molten rock
- 25. The process of land rising back up after a glacier retreats
- 28. This includes the crust and the top of the mantle
- 29. A volcano formed by a mixture of explosive and nonexplosive eruptions (2 words, don't add space)
- 33. The point inside Earth where an earthquake begins
- 35. A broad, U-shaped valley formed by a glacier (2 words, don't add space)
- 37. The thick layer of Earth directly below the crust
- 39. Magma that reaches Earth's surface
- 40. The third type of wave of energy produced by an earthquake which travels across the Earth's surface and either shake the ground as they move side to side or roll across the land like ocean waves, and are responsible for most of the damage an earthquake causes to artificial structures (2 words, don't add space)
- 41. The innermost layer of the Earth
- 42. The point on the surface of the Earth directly above the focus of an earthquake