Across
- 1. The measured distance between two points on two back-to-back waves
- 5. Large body of salt water on earth
- 6. The shaking of the earth
- 7. An overflow of water onto normally dry land
- 8. Giant waves caused by earthquakes or volcanic eruptions under the sea
Down
- 2. A change in the ocean water level, reaches a high and low twice a day
- 3. The movement of energy through the water
- 4. An event that causes lots of destruction or violent change