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41 Cards in this Set
- Front
- Back
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What are oceans monitered by?
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Satellites
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What do remote sensors do?
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Gather info on features of the earth without being in physical contact
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Name four conditions that the remote sensors/satellites can get info on?
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Ice cover, ocean depth, water temperature, weather conditions
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What do the following satellites measure?
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a. TOPEX/Poseidon-launched in 1992, monitors ocean circ, sea surface temp, sea surface height
b. SEASTAR-launched by NASA in 1997, measures ocean's oxygen producing plankton on weekly basis c. AQUA-launched in 2002, measures precipitation and evaporation d. SARSAT-means search and rescue satellite aided tracking, locates people in dis tress on land and sea |
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What does NOAA stand for?
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national oceanographic and atmosphere administration
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The sea surface temps are shown on computers in colors, what do the colors represent?
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Red/yellow warm H2O, blue/green cold water
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What federal agency monitors the ocean?
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NOAA
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Scientist who study the physical structure of earth are?
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Marine geologists
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What was the first ship to drill for core rock samples?
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Glomar Challenger, 1968 the new ship is the Resolution which can drill 6500 m
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What does RUM II stand for?
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Remote underwater manipulator
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What does RUM II do?
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Picks up objects from ocean floor, takes video and uses sonar to determine water depths
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Name two scientific journals?
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Journal of marine biology: Journal of marine science
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Name three important research centers.
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Scripps in La Jolla, Calif: Woods hole in Mass: Lamont-Doherty in New York
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Who owns and operates Alvin?
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Woods Hole
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Whay does FLIP stand for?
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Floating instrument platform
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Explain how FLIP works.
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100 meter hollow tube with a research station on on end. FLIP is towed to site, ballast tanks filled with H2O, then flips on itself, when vertical position can now run tests
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Name three modern pioneers in marine science.
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Captain Jacques Cousteau, Dr. Sylvia Earle, Dr. Robert Ballard
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What dis Jacques Cousteau do?
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Co-inventor aqua lung(scuba), invented 1 person souscoup submersible, ocean explorer, filmaker, founder 'Cousteau Society'
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What did Robert Ballard do?
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Found Titanic, Bismark and Lusitania: discovered tube worms at hydrothermal vents, founder of institute for exploration, author
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What did Sylvia Earle do?
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World record holder for deepest dive in jim suit, author, chief scientist for NOAA
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Be able to explain the scientific method.
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State the problem, collect relevant information, form hypothesis, test hypotesis, record observations, tabulate results, draw conclusions
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In an experiment 2 groups tested, 1 exposed to variable and 1 is not?
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Controlled experiment
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Group exposed to variable is the?
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experimental group
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The group in an experiment that has nothing changed?
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Control group
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If an experiment's pH drops below 8 what does that mean?
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Acids are building up in the tank
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What piece of equipment measures salinity?
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Hydrometer
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What is salinity?
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The amount of salt dissolved in water.
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What is the average salinity of ocean water?
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3.5% or 35ppt
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What does ppt mean?Ppm?
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Parts per thousand, parts per million
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What % of air in our atmosphere is oxygen?
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20%
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The curved surface of a measurement on the graduated cylinder is called the?
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meniscus
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This is defined as mass per unit volume.
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Density
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You can use this to determine density?
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Hydrometer
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Fresh water has density of?
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1000
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This is defined as the ratio of density of a substance to the density of fresh water?
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Specific gravity
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What is the average density of ocean water?
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1.025
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Which is denser fesh or ocean water?
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ocean--has more 'stuff' in it---mostly salt
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Beisdes salt what can have an effect on water density?
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Pressure and temperature
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What is the measure of heat energy in a substance?
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Temperature
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On the C scale water freezes at? and boils at?
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0 and 100
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Name the types of microscopes.
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Simple micro,
Compound micr, Dissecting micr. Research micr. Election Micr. |
