Earth and Space Crossword

2. The process of Earth's crust breaking apart
4. What type of crust can tectonic plates include?
7. Which type of boundary rub against each other?
8. Which zone are connected by transform boundaries?
12. Which type of boundary moves away?
13. What type of fossil was found in similar environments?
15. The solid, outer layer of Earth consisting of the crust and the rigid upper part of the mantle.
20. Tropical plant species were found in which desert?
21. What are often bordered by mountain ranges or deep trenches?
22. Several large landmasses divided to form the present continents in the geological past.

1. This famous scientist proposed this hypothesis of continental drift.
3. A piece of lithosphere (has a unique geologic history)
5. Which type of boundary crash into each other?
6. Which zone takes place at convergent boundaries of tectonic plates, moves under another and is forced or sinks due to gravity into the mantle?
9. What covers the sea floor?
10. The highly viscous, mechanically weak and deforming region of the upper mantle of the Earth.
11. The study of the alignment of magnetic minerals in rocks.
13. A mixture of molten, volatiles and solids, found beneath the surface of the Earth.
14. What is created when hot lava, volcanic ash, and gases escape from a magma chamber below the surface?
16. The movement of heated material due to differences in density, causing differences in temperatures
17. What is another way to describe "Ridge Push"
18. What can movements within the earth's crust or volcanic action cause?
19. Which mountain had radioactive rocks as mountain ranges?