Plate Tectonics Crossword
Across
- 4. a process where new oceanic earth forms at ridges
- 5. a boundary that occurs when two plates slide past each other
- 7. an underwater mountain range
- 8. a boundary that happens when two plates separate
- 9. made of solid iron and nickel
Down
- 1. less dense objects rise and more dense objects sink
- 2. the theory that the continents can drift apart
- 3. influential in the theory of continental drift
- 6. a boundary that occurs when two plates collide
- 10. Made of liquid iron and nickel