2.  HAND OUT  QUESTIONS AND ANSWERS

3. Oceanography: The study and exploration of the world’s ocean.

4.  Fathom: A unit of measurement of the ocean depth. One fathom is 6 feet (1.83 meters).

5.  Continuous body of water, covers the majority of Earth  Integral part of the water cycle (evaporation)  Consist of several zones ◦ Temperature ◦ Pressure ◦ Sunlight

6.  Salinity fairly constant  Photosynthesis productivity greatest in sunlight zones  Currents recycle nutrients, minerals and gases  Terrestrial and aquatic food webs are interconnected and affect levels of nutrients.

7.  Buoyancy: is the ability to float  Buoyant Force: is force that acts in the upward direction against gravity (makes objects feel lighter).  An object sinks if its weight is greater than the buoyant force.  If the weight of the object is equal to the buoyant force it floats.

8.  Equipment used has changed over time. http://www.coolclassroom.org/cool_projects/lessons/miniunits/lesson2.html

9.  ABE (Automated Benthic Explorer): An untethered submersible, equipped with cameras and sensors, that navigates by sound beacons for long periods of time, “sleeping” on the ocean floor between pre- programmed duties until signaled to ascend for recovery.

10. A.B.E.

11.  DECOMPRESSION CHAMBER: A large portable container that divers can enter after they’ve surfaced to help their bodies return to normal atmospheric pressure.

12.  ECHO SOUNDER: A device used to determine depth by sound waves.

13.  ROV (Remotely Operated Vehicle): Unmanned submersible tethered to a mother ship and operated by pilots using a joy stick.

14.  SCUBA: Device that allows divers to breathe underwater for long periods of time.

15.  SONAR: Used to measure ocean depth by sending sound to bounce off the ocean floor.

16.  SUBMERSIBLE: A small submarine used to explore the ocean depths; equipped with windows, lights, mechanical arms, cameras and other scientific instruments capable of seeing and recording data.

17. Submersible

18.  major goal for the Long-term Ecosystem Observatory (LEO) is to develop a real-time capability for rapid environmental assessment and physical/biological forecasting in coastal waters.  data is collected from satellites, aircrafts, ships, fixed/relocatable moorings, and autonomous underwater vehicles.

20.  HANDOUT (story passage)  DRAW YOUR INTERPRETATION

21.  HAND OUT ◦ DIRECTION:  RECORD HYPOTHOSIS  LIST ALL MATERIALS NEEDED  PREFORM EXPERIMENT  WRITE CONCLUSION  QUESTIONS AND ANSWERS