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Transcript of Pg. 30 RTW: What does this device do? (Hint: It’s more than a clock…) Objective: I will be able...
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Pg. 30 RTW: What does this device do? (Hint: It’s more than a clock…)
Objective: I will be able to explain the
major contributions to oceanography
Agenda:Notes
Tuesday, September 16
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Charles Darwin- naturalist1831, sailed on the
HMS Beaglegoal was to map the
western coastline of South America
Found new species of plants and animals.
•1807, Thomas Jefferson authorized Survey of the Coast (the predecessor to NOAA)
•NOAA- National Oceanic and Atmospheric Administration
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Theory of Coral Reef Development
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Galapagos Tortoise
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Marine Iguana
http://www.youtube.com/watch?v=Qd-1_CjgGCQ&safe=active
http://www.youtube.com/watch?v=VfZQfCkKuKM&safe=active
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HMS Challenger- 1873-1876Led by Sir Charles ThompsonLed the most successful ocean expedition
devoted exclusively to scientific studyCollected water, sediment, and temp dataIdentified more than 4700 new species of
marine organismsDiscovered the “Challenger Deep” in the
Mariana’s trench. (over 35,000 ft. deep)
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S.T.A.R1. Who is the “father of physical oceanography”?
2. What did Benjamin Franklin hypothesize about what was happening to the mail between England and America?
3. What did Thomas Jefferson authorize?
4. What was Charles Darwin’s goal? What did he also do?
5. Who discovered the “Challenger Deep”?
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Did You Know?The Pacific Ocean is so big it could fit all of
the Earth’s continents.
The word pacific means peaceful. However, the Pacific Ocean is far from peaceful. Thousands of volcanoes rise up from the Pacific Ocean
Wednesday, September 17
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Objective: I will research one kind of submersible and be prepared to teach other students about it’s characteristics & importance . As well, I will take notes on the research done by other students.
Agenda:Jigsaw Activity- Submersibles
Research! Create notes on specific submersible to share(NEED TO HAVE COMPLETED BEFORE CLASS
TOMORROW!!)
Homework:Start reviewing for the exam next week (Unit 2)
History of Exploration Scientific Contributions Submersibles
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Pg. 32 Jigsaw SubmersiblesGroups:
1. ROVs vs. AUVs Trieste- Challenger
Deep Alvin- hydrothermal
vents & Titanic site Johnson Sealink-
panoramic view
2. Loran-C navigation3. GPS and other
satellites4. SCUBA5. Aquarius Reef Base
ROVs vs. AUVs
Aquarius Reef Base
SCUBA
GPS & Satellites
Loran-C Navigation
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What to Cover1. What is this technology? (definition & short
explanation)2. When was it invented/established3. How has it contributed to the study of the
ocean? (research, findings, missions, etc.)4. Interesting facts
When was it invented? Who invented it? Future use? Misc.
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Jigsaw Submersibles Day 2Now that you are an expert on your topic…
We will be getting into new groups composed of representatives from #1-5 (one person from AUVs/ROVs, Loren-C, GPS, SCUBA, & Aquarius Reef Base)
In these groups you will:1. Explain what you found in your group, teaching
them the material.2. Write notes about the other groups as they tell you
what they found.Feel free to ask questions to each other to
understand the concepts.
Thursday, September 18
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Submersibles Pg. 33
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Diving VesselsAlso called submersiblesROVs= Remotely Operated VehiclesAUVs= Autonomous Underwater VehiclesBathysphereBathysphere, allowed aquanauts to go to
deeper depthsBathyscapheBathyscaphe is a steel un-tethered submersible
that could be controlled. Deepest dive in history (1960).
AlvinAlvin is a self-propelled machine with mechanical arms that can pick up specimens and can carry three humans
JASONJASON, a robot, does not carry people
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The Bathysphere
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1880 to 1950V. Walfrid Ekman – Figured out the
Ekman Spirals and Ekman LayerFridtjof Nansen – Made the Nansen
Bottle. Now people could take samples of water from different depths of water.
Beebe and Barton – First bathysphere to 4,000 feetSteel sphere at the end of a long cable
(tethered)
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Marie Thorp and Bruce Heezen – made the first map of the ocean bottom and provided evidence for the theory of Continental Drift.
Auguste Piccard – First bathyscaphe to reach the bottom of the Mariana's Trench at 35,800 feet.
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http://www.youtube.com/watch?v=dC0hXmO9Phs&safe=active
http://www.youtube.com/watch?v=5XX7WdfCgnM&safe=active
http://www.youtube.com/watch?v=0mBG0LbAoqk&safe=active
http://www.youtube.com/watch?v=FGzaUiutuRk&safe=active
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This trip was made in 1960 and never Repeated!! The decent took 4 hours and 48 minutes.
Don Walsh and Jacques Piccard inside Trieste
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The Meteor, a German ship, 25 months on Atlantic ocean using sonar
Sonar- sosound nanavigation rrangingmapped the ocean floor revealing many different depths and features
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Exploring the Ocean with Personal Diving EquipmentUnder world called Inner
Space2500 B.C., glass was
discovered and the first mask was made
In the 17th century a diving chamber/bell was invented
Later came a diving suithttp://www.youtube.com/watch?v=oxWFqwFHXoo&safe=active
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1797 1837
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1855
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The Modern Scuba Tank1943- Jacques Cousteau and Emile
Gagnan made final improvements A tank with compressed air was
developed that was strapped on the diver’s back
air breathed through a regulatormarketed as the aqua-lungS.C.U.B.A- Self Contained Underwater
Breathing Apparatus.
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SCUBA Kitty
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Did You Know?
The largest octopus weighs about 15kg (Octopus dofleini). An Octopus has three hearts and it can squeeze through a hole the size of a 10-cent coin. Hapalochlaena species can inject enough venom in one bite to kill several adult humans. They can adopt a two-tentacles "walk" that frees up their six remaining limbs and makes them look like an armed vehicle.
Friday, September 19
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Dark and Luminous Blue Pg. 34Read the article and answer the questions on
pg. 34 of your ISN
Turn in the article and question handout when you are finished. (take them home to finish if you need to)
Enjoy reading about the first deep ocean dive from the perspective of the first diver!