1. SALINITY The amount of dissolved solids in a given volume
Chapter 3 Vocab
SALINITY
The amount of dissolved solids in a given volume

3. WATER CYCLE
The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean

5. PANGAEA
The giant landmass that contained all of the continents nearly 250 million years ago.

7. CONTINENTAL DRIFT
The hypothesis that the continents once were a single landmass, broke up, and drifted to their present locations.

8. SURFACE ZONE
The warm top layer of ocean water ( surface to 100m.)

10. THERMOCLINE
The second layer of ocean water.

12. DEEP ZONE
The bottom layer of the ocean that extends from the base of the thermocline to the ocean floor.

14. CONTINENTAL SHELF
The gently sloping area of the continental margin located between the shoreline and the continental slope

16. CONTINENTAL SLOPE
The steeply inclined section of the continental margin between the continental rise and the continental shelf.

18. CONTINENTAL RISE
The gently sloping section of the continental margin between the continental slope and the abyssal plain.

20. USE THIS DRAWING FOR THE NEXT FIVE SLIDES
MID OCEAN RIDGE
RIFT VALLEY
SEAMOUNT
ABYSSAL PLAIN
OCEAN TRENCH

21. ABYSSAL PLAIN
A large, flat, almost level area of the deep ocean basin.

22. MID-OCEAN RIDGE
A long undersea mountain chain that forms along the floor of the major oceans.

23. RIFT VALLEY
A long narrow valley that forms as tectonic plates separate

24. SEAMOUNT
A submerged mountain on the ocean floor that is at least 1,000 m high and has volcanic origins

25. OCEAN TRENCH
A huge crack in the deep sea floor that runs parallel to a chain of volcanic islands or continental margin.

26. PLANKTON
The mass of mostly microscopic organisms that float or drift freely in fresh or salt water.

27. NEKTON
All organisms that swim actively in the open water independent of currents

28. BENTHOS
Organisms that live at the bottom of the sea or ocean.

29. SEA-FLOOR SPREADING
The process by which new oceanic crust is formed as magma rises to the surface and solidifies.

30. BATHYMETRIC PROFILE
A map of the ocean floor that shows the ocean’s depth.

31. ESTUARY
An area where fresh water from rivers mixes with the saltwater from the ocean.

32. FOOD CHAIN
A diagram of how energy in food flows from one organism to another.

33. FOOD WEB
Shows the feeding relationships between organisms in an ecosystem

34. INTERTIDAL ZONE
The place where the ocean meets the land.

35. NERITIC ZONE
Deeper water zone with warm water and abundant sunlight

36. OCEANIC ZONE
Deep water zone of the open ocean

37. BENTHIC ZONE
The ocean floor. Very cold and very little sunlight.

38. DESALINATION
A process of removing salt from ocean water

39. NONRENEWABLE RESOURCES
Resources that are used up faster than they can be replenished.

40. RENEWABLE RESOURCES
A resource that can be replaced in time after being used.

41. TIDAL ENERGY
Energy generated by the movement of the tides

42. RAW SEWAGE
All the liquid and solid wastes that are flushed and poured down drains