Plate Tectonics Crossword Puzzle
Across
- 3. Thin, more dense than continental crust, subducting crust
- 5. A solid mass of iron and nickel
- 6. The theory that the continents are moving very slowly
- 8. A large, slowly moving body of snow and ice
- 10. Thickest layer of the Earth, part solid part liquid where convection currents are found
- 11. Waves produced by earthquakes that help us study the inner layers of earth
- 14. The solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle
- 17. Thicker, less dense crust
- 18. When one tectonic plates drives under another
- 19. When two plates come together
- 20. When two plates pull apart
Down
- 1. A semi-fluid layer of solid liquid rock
- 2. A single landmass that includes two or more continents
- 4. A break in the earths crust that moves
- 7. when two plates grind past each other
- 9. Extremely deep areas in the ocean that are created by a subducting plate
- 12. The movement of a fluid, caused by differences in temperature, that transfers heat from one part of the fluid to another
- 13. How much mass there is in any given volume
- 15. The state of matter the earth's inner core is
- 16. A layer of molten iron and nickel that surrounds the inner core of Earth