Across
- 3. Two plates slide away from each other.
- 7. When two plates slide together.
- 8. The place where two plates come together, one riding over the other.
- 9. It is formed and evolves as a result of spreading in Earth's lithosphere.
- 10. Sudden movement or trembling of the Earth's tectonic plates.
Down
- 1. What happens when less dense material rises, and colder, denser material to sinks.
- 2. He discovered mid-ocean ridges.
- 4. When tectonic plates slide past each other.
- 5. There are three different types of this, Convergent, Divergent, and Transform.
- 6. An opening in the earth's crust through which lava, volcanic ash, and gases escape.