Across
- 2. The layers under the plates are constantly ___________.
- 4. ___________ is caused by dry conditions.
- 6. Building collapses during an _________.
- 7. Tidal waves is another word for ________.
Down
- 1. People who study earthquakes.
- 3. __________ are rolling waves which rush towards the seashore.
- 5. The earth's upper layer, the crust, is made of large and small _________.