Science crossword puzzle
Across
- 2. an example area on Earth where two or more lithospheric plates collide.
- 5. Tectonic shift is the movement of the plates that make up Earth's crust.
- 6. the denser crustal layer of Earth that makes up portions of tectonic plates in deep oceans.
- 7. a hot, dense ball of (mostly) iron.
- 12. the denser crustal layer of Earth that makes up portions of tectonic plates in deep oceans.
- 15. tropical storm with winds that have reached a constant speed of 74 miles per hour or more
- 19. an opening in the Earth's crust through which lava, ash, and gases erupt
- 20. what happens when two blocks of the earth suddenly slip past one another.
Down
- 1. is a linear feature that exists between two tectonic plates that are moving away from each other.
- 3. a large area of water between continents.
- 4. a theory explaining the structure of the earth's crust
- 8. the third layer of the Earth.
- 9. the rigid outer part of the earth, consisting of the crust and upper mantle.
- 10. A transform fault or transform boundary, is a fault along a plate boundary where the motion is predominantly horizontal.
- 11. the region 400 to 1,800 miles below the Earth's surface, made of solid rock.
- 13. a mixture of gases that surrounds the Earth.
- 14. all of the continents were joined together as one large mass of land, then the land spread apart and drifted into their current positions.
- 16. giant waves caused by earthquakes or volcanic eruptions under the sea.
- 17. Earth's thick outer shell of rock
- 18. a supercontinent that incorporated almost all the landmasses on Earth.