Ocean Water Vocab

2. A flat, deep area of the ocean floor, usually found at depths between 3,000 and 6,000 meters.
6. A continuous movement of ocean water in specific direction.
8. A very, deep narrow valley in the ocean floor, formed where one tectonic plate slides under another.
10. The lowest high tides and higher low tides, occurring when the sun and moon are at right angles to each other.
11. Ocean currents that flow deep below that surface, driven by differences in water density.
12. The amount of salt dissolved in water.
13. The regular rise and fall of sea levels caused by gravitational pull of the moon and the sun.
14. The amount of mass given volume of a substance like how heavy something is for its size.
15. The underground edge of a continent, where the sea is shallow
17. A system that uses sound waves to find and measure objects underwater.
18. Ocean currents that flow near the surface of the water driver but the wind.
19. The vertical distance between the crest (top) and through (bottom) of a wave.

1. An island formed by underwater volcanic eruptions that build up land above the ocean surface.
3. The distance between two consecutive wave crest( the highest points) or thoughts (the lowest point).
4. A movement of water that travels across the surface of the ocean.
5. A large, powerful wave caused by underwater earthquakes or volcanic eruptions.
6. The steep where the continental shelf drops down to the deep ocean floor
7. The process where deep, cold nutrients rich water rises to the surface.
9. The types and number of different substances that makes up something. t
16. The highest high tides and lowest low tides, occurring when the sun, moon, and Earth are aligned.
18. An underwater mountain formed by volcanic activity.