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marine unit 1
| Question | Answer |
|---|---|
| The first person to attempt to circumnavigate, or sail completely around, the earth | Ferdinand Magellan |
| Used to collect water samples | Nansen bottle |
| Sound Navigation Ranging (a device that emits and receives sounds) | SONAR |
| Drew the first map of the gulf stream | Ben Franklin |
| This person sailed on the H.M.S. Beagle that visited the Galapagos Islands | Charles Darwin |
| Round steel chamber used for diving to deep depths | bathysphere |
| A self propelled submersible device that is operated out of Woods Hole Massachusetts | Alvin |
| A floating Instrument Platform that sinks halfway into the water | FLIP |
| Called the founder of Oceanography, he collected large amounts of data while sailing on the H.M.S. Challenger | Sir Charles Thompson |
| An early navigator responsible for making his crew eat citrus fruit to combat the disease called scurvy | Captain Cook |
| Self Contained Underwater Breathing Apparatus | SCUBA |
| a force that supports floating objects | bouyancy |
| a measure of depth in the ocean (approximately 6 feet) | fathom |
| used to measure the transparancy of the water (amount of plankton) | secchi disk |
| a nautical mile | knot |
| the name of the bathyscape used to travel to the bottom of the marianas trench in 1960 | trieste |
| used for large scale fishing of tuna, no longer used as much because of killing of dolphins | purse seine net |
| Used to obtain a deep core sample of bottom sediment | core sampler |
| Towed behind a boat to obtain samples of plankton | plankton net |
| the deepest of the oceans | pacific |
| this ocean has a well developed true mid-ocean ridge | atlantic |