Ocean Vocabulary

5. A mass of moving water.
6. The natural environment in which a living thing gets all that it needs to live.
8. The periodic rising and falling of the water level of the ocean due to the gravitational pulls of the moon and the sun.
12. The catch of fish at a faster rate then they can reproduce.
13. A wet,swampy area that is often flooded with water.
14. The difference in height between high tide and low tide.
17. The narrow ocean margin between the high tide mark and the low tide mark.
19. A narrow stream of water that breaks through sandbars and drains rapidly into deeper water.
20. A shoreline area where fresh water from a river mixes with salt water from the ocean.

1. A large large community of kelp, a type of seaweed that can attach to the ocean floor.
2. An opening in the sea floor from which heated water rises and mixes with the ocean water above.
3. Microscopic floating organism that live in water and,like plants,convert sunlight and carbon dioxide into food.
4. A system that uses underwater sound waves to measure distance and locate objects.
7. The movement of water from the surface to greater depths.
9. A property or matter representing the per minute volume.
10. The measure of the amount of dissolved salt contained in water.
11. The overall direction and movement of water as waves strike the shore at an angle.
15. The vertical movement of deep water up to the surface.
16. A built up limestone deposit formed by small ant-sized organisms called corals.
18. The portion of animals that are caught in a net and then thrown away as unwanted.