Across
- 4. Free swimming ocean animals
- 5. Ocean layer between about 300 and 1,000 meters below the surface, where temperature drops sharply.
- 7. Basin Land area that is drained by a river and it's tributaries.
- 8. Underwater mountain that is usually a volcano.
- 10. Place where hot groundwater and steam blast into the air.
- 12. Containing many spaces through which air and water can move.
- 13. Water that runs over the earth's surface and flows into streams.
Down
- 1. Tiny organisms that live at or near the ocean surface.
- 2. Steep slope between the continental shelf and the deep ocean floor.
- 3. Part of a continent that extends from a shoreline out into an ocean.
- 6. Movement of water between the atmosphere and the earth's surface.
- 9. Funnel-shaped depression that results when the roof of a cave collapses.
- 11. Artificial lake created by placing a dam across a river.