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QuickQuiz: Now that you have researched careers: 1
QuickQuiz: Now that you have researched careers: 1. Explain the difference between Oceanography and Marine Biology. 2. How does “Marine Science” bridge these two areas of study? Explain.
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JQ: Would you sign up for the first trip to Mars in 2025
JQ: Would you sign up for the first trip to Mars in 2025? Why or why not?
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Form (shape) and how it relates to Function (the job) is an important theme in science and engineering. Why is thinking about the form and function of a tool so important for a task like creating a new sampling tool in ocean exploration?
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Or What do we use to study the marine world?
Tools of the Trade Or What do we use to study the marine world?
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Tools of the Trade matching worksheet
Expand your knowledge of the tools used by marine scientists by completing the worksheet as we go over the tools in class.
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Physical Properties Thermometer – measures & records temperature at a particular depth Hydrometer – measures density & temperature, used to find salinity
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Physical Properties Link THERMOMETER HYDROMETER
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Physical Properties Niskin / Nansen Bottle – obtains water samples at a variety of depths Secchi Disk – measures turbidity/visibility turbidity - a measure of water cloudiness due to the amount of suspended matter in the water (soil, sediments, sewage, and plankton) Clear water has a low turbidity level Cloudy (or muddy) water has a high turbidity level.
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Physical Properties Link NISKIN/Nansen BOTTLE Link SECCHI DISK
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Physical Properties Shipek/Peterson Grab - take a sample of the ocean bottoms Link
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Physical Properties CTD – measures conductivity, temperature & depth
Link CTD – measures conductivity, temperature & depth
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Biological Properties
Plankton Net – net towed or dipped to gather plankton samples Dip Net – retrieves a variety of samples from the water Link
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Biological Properties
Sediment Screen – used to screen sediments for macro invertebrates
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GPS Provide radio-navigation system giving every place on Earth an address
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Research Vessels Alvin – research submersible used to locate bombs, Titanic, hydrothermal vents
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Research Vessels Trieste – first bathyscaphe to descend 35,600 ft to the bottom of the Marianas Trench
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Research Vessels Alcyone – Jacques Cousteau’s turbo sail ship
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Research Vessels FLIP – 355’ floating instrument platform that can become vertical Link
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Other Research Tools SONAR (Sound Navigation and Ranging)
a technique that uses sound waves (usually underwater, as in submarine navigation) to navigate, communicate with, or detect objects on or under the surface of the water Link
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Other Research Tools SCUBA (Self Contained Underwater Breathing Apparatus) Developed during WWII by Jacques-Yves Cousteau and Emile Gagnan Link
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Engineering Drawings –
you must submit two with your tool for full credit
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Deep Sea Exploration Lab
To give you an idea of the size of the “ocean area” that we are sampling from
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Deep Sea Exploration Lab
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Deep Sea Exploration Lab
Me Who Who Who Who Rest of students in lab group
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Do Now: You have ten minutes to: Teams/PIs: make any modifications to your tools/plan of action Chief Scientist: Review dive plans/times with teams, collect any needed info.
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In your Write-up: 1. Describe the tools you engineered 2
In your Write-up: 1. Describe the tools you engineered 2. Describe, in detail, the contents of your samples 3. Limitations of your tools/sampling techniques 4. Describe what you learned
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