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*What was the worst oil-pollution catastrophe in history?
Deepwater Horizon
*What is the most important strategic area in the Caribbean?
Panama Canal
What is the largest island in the Caribbean?
Cuba
When did the US reverse sanctions against Cuba?
2009
What US naval base is located in Cuba?
Guantanamo Bay
What was the first vessel to reach the North Pole under the ice?
USS Nautilus
What territory was forcibly annexed by Russia in 2014?
Crimean Peninsula
What are the key choke points in the Mediterranean?
Turkish Straits (Bosporus and the Dardanelles) and the Suez Canal
Where is the headquarters of US Africa Command?
Stuttgart, Germany
*What sea has no known oil deposits?
The Red Sea
What country did the United States withdraw from a nuclear agreement with in 2018?
Iran
What strategic waterway is the main route between Asia and Europe?
Strait of Malacca
What nations exploded nuclear test devices in 1998?
India and Pakistan
How large is the Pacific Ocean?
59 million square miles or 35% of Earth's surface
What is the average depth of the Pacific Ocean?
12,900 feet
What is the deepest spot on Earth?
Marianas Trench, 36,161 ft, in the Pacific Ocean
Seamounts
An underwater mountain rising from the ocean floor and having a peaked or flat-topped summit below the surface of the sea.
What is the largest coral reef?
Australia's Great Barrier Reef
What are the major ports on the west coast of the United States?
San Diego, Los Angeles, Long Beach, and Oakland, California; Tacoma and Seattle, Washington; and Anchorage, Alaska
What is the major US port in the mid-Pacific?
Honolulu, Hawaii
What part of a cyclone has the highest wind intensity?
Eye wall
What US naval bases are located in the Pacific?
Pearl Harbor, Hawaii, Guam, and Yokosuka, Japan
Extratropical low
A low pressure weather system outside the tropics
How many US personnel are stationed in South Korea?
25,000
When is hurricane season?
June to November
When were full diplomatic relations established between China and the US?
1979
What was the only hurricane in the South Atlantic?
Hurricane Catarina
*Where were Chinese protestors attacked by tanks in 1979?
Tiananmen Square
What was the most damaging hurricane in the US?
Hurricane Katrina
*Cosmology
the study of the origin, properties, processes, and evolution of the universe
What are the dangerous quadrants of a cyclone?
Right front in the Northern Hemisphere and left front in the southern hemisphere
When was our solar system formed?
4.6 billion years ago
What are the types of semicircles of a cyclone?
Semicircles in dangerous quadrants are dangerous semicircles, left semicircles in the northern hemisphere and right semicircles in the southern hemisphere are navigable semicircles
*Lithosphere
the rigid outer part of the earth, consisting of the crust and upper mantle.
What is the small craft warning signal?
Red pennant or red light over white, up to 33 knots
Asthenosphere
The soft layer of the mantle on which the lithosphere floats.
What is the gale warning signal?
Two red pennants or white light over red, 34-37 knots
Mesosphere
The strong, lower part of the mantle between the asthenosphere and the outer core
What is the storm warning signal?
Square red flag or two red lights, 48-63 knots
Theory of the movement of landmasses
Continental drift/plate tectonics
What is the hurricane warning signal?
Two square red flags or white light between two red, 64+ knots
What was the largest disaster from an earthquake of all time?
Tangshan, China in 1976
What is used to find the depth of water over which a vessel is traveling?
Echo sounders or fathometers
Fathoms
Unit used to measure depth of water, equal to 6 ft
submarine fan
A cone-shaped sedimentary deposit that accumulates on the continental slope and rise.
What is the last frontier on Earth?
The deep ocean floor
Ocean ridges
Mountain ranges on the deep ocean floor
Atoll
a ring-shaped reef, island, or chain of islands formed of coral.
Seamounts
Remnants of former coral islands
Guyots
underwater volcanic mountains with flat tops
*What is the purest natural source of water?
Snow
What are the freezing and boiling points of water?
0 and 100 degrees C or 32 and 212 degrees F
*What is the only liquid with a higher heat storage capacity than water?
Ammonia
What is the salinity of seawater?
3.5% or 35 parts per thousand
Transpiration
Evaporation of water from the leaves of a plant
Bathythermograph (BT)
Checks water temperatures at various depths
Ocean zones from highest to lowest
Lighted zone, twilight zone, dark zone
Breakwater
a barrier that protects a harbor or shore from the full impact of waves
Rip currents
strong and relatively narrow currents of water that flow seaward against breaking waves
Coriolis effect
The effect of Earth's rotation on the direction of winds and currents (clockwise in Northern Hemisphere and counterclockwise in Southern Hemisphere)
Trade winds
Winds that blow northeast from 30 degrees north and south latitude
Prevailing westerlies
winds that blow west to east between 30 and 60 degrees north/south
polar easterlies
the surface winds that occur between the north/south pole and 60 degrees north/south latitude
*What is the most important current affecting the United States and its entire Atlantic seaboard?
Gulf Stream
What is in the center of the Gulf Stream?
The Sargasso Sea
North Equatorial Current
Carries warmer waters northwestward along the West Indies on the eastern rim of the Caribbean Sea
Hurricanes
Severe storms with winds greater than 75 mph
Kuroshio Current
Flows northwestward from Japan's Ryukyu Islands
*What are hurricanes called in the Pacific Ocean?
typhoons
What are the two branches of the Kuroshio Current?
Alaskan Current and California Current
Spring tide
a tide just after a new or full moon, when there is the greatest difference between high and low water.
Supernova
A gigantic explosion in which a massive star collapses and throws its outer layers into space
neap tide
the tide with the least difference between consecutive low and high tides
Planetary nebula
A huge cloud of gas that is created when the outer layers of a red giant star drift out into space
Ebb tide
a falling or lowering tide
White dwarf
the blue-white hot core of a star that is left behind after its outer layers have expanded and drifted out into space
Flood tide
incoming or rising tide
dwarf planet
a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.
What country created the world's first successful large-scale tidal power plant?
France (La Rance, 1966)
Orbital period
the time required for a body to complete a single orbit
Upwelling
the upward movement of ocean water toward the surface as a result of diverging currents
What are the Big Four planets?
Venus, Mars, Jupiter, and Saturn
Callao Painter
Hydrogen sulfide from decaying fish and birds that paints ship's hulls black on the coasts of Peru and Chile
What planets do not have any moons?
Venus and Mercury
El Nino
A warm ocean current that flows along the coast of Peru every seven to fourteen years
What is the largest volcano on Mars?
Olympus Mons
La Nina
A cooling of the ocean surface off the western coast of South America, occurring periodically every 4 to 12 years and affecting Pacific and other weather patterns.
What are the two moons of Mars?
Phobos and Deimos
Red Tide
a population explosion of certain marine dinoflagellates that causes the water to turn a red or red-brown color and to contain poisonous alkaloids produced by the dinoflagellates
What are the two moons of Saturn?
Titan and Enceladus
What are the largest form of zooplankton?
Jellyfish
What are the four moons of Jupiter?
Io, Europa, Ganymede, Callisto
What are the two types of jawless fish?
hagfish and lampreys
Great Red Spot
a giant, high-pressure continuous storm on Jupiter
*Aquaculture
the farming of aquatic animals
Who discovered Uranus?
William Herschel in 1781
What are the four sources of natural light?
Mineral phosphorus, radioactive minerals, cool gases, and bioluminescence
Trojans
Asteroids that share an orbit with Neptune, Jupiter, and Mars
*What does SCUBA stand for?
self-contained underwater breathing apparatus
near-earth asteroids
A group of asteroids located between Mars and Earth