Vocabulary: Continental Drift & Plate Tectonics
Across
- 3. A fracture or break in the rocks that make up Earth’s crust
- 7. The process that occurs at midocean ridges, where new oceanic crust is formed.
- 9. scrapes on rock where a glacier once moved
- 10. The deepest parts of the ocean floor
- 12. German scientist who proposed the theory of continental drift
- 13. The type of plate boundary where two plates collide
- 14. The type of plate boundary where two plates separate or divide.
- 15. The type of plate boundary where two plates slide past each other.
- 16. An underwater mountain range formed where two of Earth’s oceanic tectonics plates move apart or separate
- 17. The location where one tectonic plate comes in contact with another.
Down
- 1. The process in Earth’s mantle that scientists believe is driving the movement of the plates due to the heating and cooling of magma.
- 2. A lowland region that forms where two of Earth's continental tectonic plates move apart or separate
- 4. The broken sections of Earth’s crust; they constantly move around on Earth’s mantle
- 5. The process that occurs when one plate sinks beneath another plate because it is more dense
- 6. The supercontinent that included all current land masses before they split apart
- 8. A curved chain of volcanic islands
- 11. A theory stating that all of the continents on Earth used to be joined as one giant landmass and have since slowly drifted to their current locations