Across
- 2. formed by volcanic activity on the seabed
- 5. move apart from each other
- 6. a sudden and violent shaking of the ground
- 9. a piece of land surrounded by water.
- 10. a large natural elevation of the earth's surface rising abruptly from the surrounding level
Down
- 1. the sideways and downward movement of the edge of a plate
- 3. plates collide
- 4. a large elongated depression with steep walls formed by the downward displacement of a block of the earth's surface
- 7. a mountain or hill, typically conical, having a crater or vent through which lava
- 8. Plates slip sideways past each other