Across
- 3. Moving apart in different directions.
- 4. The layer of soft, solid rock underneath Earth’s plates.
- 6. To examine in detail for a purpose.
- 7. A long, deep indentation in the ocean floor formed when two plates move together.
- 8. An underwater mountain range formed when two plates move apart.
Down
- 1. Moving toward the same place.
- 2. Any of the many processes (such as eruptions and lava flows) in which gas, lava, and ash are pushed out onto the surface of Earth.
- 5. Something we observe to be similar over and over again.