Earth's Layers and Plate Tectonics Crossword Puzzle
Across
- 2. The deformation of the crust
- 4. ___ is made by sea floor spreading
- 8. The layer of the mantle that allows the plates to slowly move on top of it
- 10. Sea floor spreading often causes the ____ of oceanic crust when it hits continental crust
- 14. When ocean crusts converge, they often form a ____ which can be very deep
- 15. Plate boundary caused by plates moving away from each other
- 16. The process of continents slowly breaking apart and moving away from each other
- 18. Hot magma ____ and then falls as it cools, causing plates to move in the lithosphere
- 19. Dense oceanic crust is often made of dense _____ which subducts under the continental crust made of mostly granite
- 20. Layer of Earth composed of molten nickel and iron
- 21. Hot material in the mantle
Down
- 1. The movement of magma in the mantle that causes tectonic plates to move
- 3. The plate boundary created when plates crunch into each other
- 5. ___ are common on divergent boundaries because magma comes up from the mantle
- 6. Supercontinent that was made up of all the other continents
- 7. The thinnest layer of the Earth, made of silicon and aluminum
- 9. Made up of the crust and upper part of the mantle
- 11. Both density and pressure ____ as you go further toward the center of the Earth
- 12. The thickest layer of the Earth, contains magma
- 13. Solid Layer of the Earth that is solid due to pressure from the outer core
- 17. Plate boundary created when the plates slide past each other