Continental Drift and Plate Tectonics
Across
- 2. Mountain ranges in the middle of the oceans
- 3. This was suggested by Alfred Wegener stating that continents were in constant motion on the surface of Earth
- 6. _____ boundary is where 2 plates slide past each other
- 7. Fossils of _____ have been found where they could not grow today
- 8. Process by which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge
- 9. Earth's surface is made of rigid slabs of rock, or plates, that move
- 10. _____ boundary is where 2 plates are spreading apart
- 11. Name of the supercontinent that began to break apart over 200 million years ago
Down
- 1. _____ boundary is where 2 plates are colliding
- 4. The process of one plate moving below another plate
- 5. Circulation of magma caused by differences in temperature and density