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6,900 | NDQ_000693 | introduction to the oceans | main salt in ocean water | null | null | Multiple Choice | a. aphotic zone, b. benthic zone, c. intertidal zone, d. neritic zone, e. oceanic zone, f. sodium chloride, g. carbon dioxide | f |
6,901 | NDQ_000694 | introduction to the oceans | ocean zone that lies over the continental shelf | null | null | Multiple Choice | a. aphotic zone, b. benthic zone, c. intertidal zone, d. neritic zone, e. oceanic zone, f. sodium chloride, g. carbon dioxide | d |
6,902 | NDQ_000702 | ocean movements | What is the primary cause of the tides? | null | null | Multiple Choice | a. Earths rotation, b. The moons gravity, c. the Suns gravity, d. wind | b |
6,903 | NDQ_000704 | ocean movements | Surface currents | null | null | Multiple Choice | a. are caused by Coriolis effect, b. flow in a counterclockwise direction in the Northern Hemisphere, c. are caused by winds that may have blown far from the current, d. none of these | d |
6,904 | NDQ_000706 | ocean movements | Where in the ocean is wave energy the greatest? | null | null | Multiple Choice | a. at the surface, b. at the ocean floor, c. half way between the surface and the ocean floor, d. None of the above | a |
6,905 | NDQ_000707 | ocean movements | A wave breaks because | null | null | Multiple Choice | a. the base has friction with the bottom, b. it becomes too tall to be supported by its base, c. it reaches the shore, d. all of these | d |
6,906 | NDQ_000710 | ocean movements | Upwelling brings | null | null | Multiple Choice | a. warm water to the surface so there are coral reefs, b. cold water east to west across the Pacific, c. nutrients to the surface so there is a lot of life, d. none of these | c |
6,907 | NDQ_000715 | ocean movements | The highest point of a wave is its amplitude. | null | null | Multiple Choice | a. true, b. false | b |
6,908 | NDQ_000718 | ocean movements | Wavelength is the difference between a crest and a trough. | null | null | Multiple Choice | a. true, b. false | b |
6,909 | NDQ_000720 | ocean movements | The biggest ocean waves occur with hurricanes. | null | null | Multiple Choice | a. true, b. false | a |
6,910 | NDQ_000721 | ocean movements | The greatest cause of tides is the Sun. | null | null | Multiple Choice | a. true, b. false | b |
6,911 | NDQ_000722 | ocean movements | Waves break on shore because the water is shallow. | null | null | Multiple Choice | a. true, b. false | a |
6,912 | NDQ_000723 | ocean movements | Tides are waves: high tide is the crest and low tide is the trough. | null | null | Multiple Choice | a. true, b. false | a |
6,913 | NDQ_000724 | ocean movements | All waves are caused by winds. | null | null | Multiple Choice | a. true, b. false | b |
6,914 | NDQ_000725 | ocean movements | Tides cause water levels to rise and fall once a day. | null | null | Multiple Choice | a. true, b. false | b |
6,915 | NDQ_000726 | ocean movements | A wave is a transfer of energy that initially began with wind. | null | null | Multiple Choice | a. true, b. false | a |
6,916 | NDQ_000727 | ocean movements | The difference between high and low tides is the tidal range. | null | null | Multiple Choice | a. true, b. false | a |
6,917 | NDQ_000728 | ocean movements | The first sign of a tsunami is coming is high water moving fast across the ocean. | null | null | Multiple Choice | a. true, b. false | b |
6,918 | NDQ_000729 | ocean movements | Coriolis effect is caused by Earths rotation. | null | null | Multiple Choice | a. true, b. false | a |
6,919 | NDQ_000730 | ocean movements | The suns gravity is the main cause of Earths tides. | null | null | Multiple Choice | a. true, b. false | b |
6,920 | NDQ_000731 | ocean movements | Spring tides occur when the sun and moon are in a straight line. | null | null | Multiple Choice | a. true, b. false | a |
6,921 | NDQ_000732 | ocean movements | The Coriolis effect causes surface currents to flow diagonally across the ocean. | null | null | Multiple Choice | a. true, b. false | a |
6,922 | NDQ_000733 | ocean movements | There two high tides and two low tides every | null | null | Multiple Choice | a. day., b. week., c. month., d. year. | a |
6,923 | NDQ_000734 | ocean movements | The main cause of tides is | null | null | Multiple Choice | a. differences in water density., b. prevailing winds., c. Coriolis effect, d. gravity. | d |
6,924 | NDQ_000735 | ocean movements | Neap tides occur when the sun and moon are | null | null | Multiple Choice | a. lined up with each other., b. at right angles to each other., c. on opposite sides of Earth from each other., d. none of the above | b |
6,925 | NDQ_000736 | ocean movements | Spring tides have the | null | null | Multiple Choice | a. highest low tide., b. greatest tidal range., c. least difference between high and low tides., d. two of the above | b |
6,926 | NDQ_000737 | ocean movements | The Gulf Stream is a(n) | null | null | Multiple Choice | a. river in Florida., b. area of upwelling., c. deep ocean current., d. surface ocean current. | d |
6,927 | NDQ_000738 | ocean movements | Which of the following statements about upwelling is false? | null | null | Multiple Choice | a. Upwelling brings a lot of nutrients to the surface., b. Many organisms live in an area where upwelling occurs., c. Upwelling occurs where wind blows surface water toward shore., d. none of the above | c |
6,928 | NDQ_000739 | ocean movements | Ocean water is denser when it is | null | null | Multiple Choice | a. warmer., b. colder., c. saltier., d. two of the above | d |
6,929 | NDQ_000740 | ocean movements | daily change in the level of ocean water | null | null | Multiple Choice | a. upwelling, b. neap tide, c. tide, d. spring tide, e. wave, f. density, g. current | c |
6,930 | NDQ_000741 | ocean movements | stream of moving water that flows through the ocean | null | null | Multiple Choice | a. upwelling, b. neap tide, c. tide, d. spring tide, e. wave, f. density, g. current | g |
6,931 | NDQ_000742 | ocean movements | tide that occurs during the first or third quarter of the moon | null | null | Multiple Choice | a. upwelling, b. neap tide, c. tide, d. spring tide, e. wave, f. density, g. current | b |
6,932 | NDQ_000743 | ocean movements | transfer of energy through matter | null | null | Multiple Choice | a. upwelling, b. neap tide, c. tide, d. spring tide, e. wave, f. density, g. current | e |
6,933 | NDQ_000744 | ocean movements | tide that occurs during a full moon or new moon | null | null | Multiple Choice | a. upwelling, b. neap tide, c. tide, d. spring tide, e. wave, f. density, g. current | d |
6,934 | NDQ_000745 | ocean movements | movement of deep ocean water to the surface | null | null | Multiple Choice | a. upwelling, b. neap tide, c. tide, d. spring tide, e. wave, f. density, g. current | a |
6,935 | NDQ_000746 | ocean movements | amount of mass per unit of volume | null | null | Multiple Choice | a. upwelling, b. neap tide, c. tide, d. spring tide, e. wave, f. density, g. current | f |
6,936 | NDQ_000747 | the ocean floor | Only a tiny fraction of the ocean floor has ever been studied. | null | null | Multiple Choice | a. true, b. false | a |
6,937 | NDQ_000748 | the ocean floor | The tallest mountains on Earth are located on the ocean floor. | null | null | Multiple Choice | a. true, b. false | a |
6,938 | NDQ_000749 | the ocean floor | Earths deepest canyon is the Grand Canyon in the American Southwest. | null | null | Multiple Choice | a. true, b. false | b |
6,939 | NDQ_000750 | the ocean floor | Ocean water over the abyssal plain is shallow and warm. | null | null | Multiple Choice | a. true, b. false | b |
6,940 | NDQ_000751 | the ocean floor | The deepest ocean trench is 3 kilometers below sea level. | null | null | Multiple Choice | a. true, b. false | b |
6,941 | NDQ_000752 | the ocean floor | The mid-ocean ridge is created by magma that cools and hardens. | null | null | Multiple Choice | a. true, b. false | a |
6,942 | NDQ_000753 | the ocean floor | Most of the ocean floor is too deep for organisms to live there. | null | null | Multiple Choice | a. true, b. false | b |
6,943 | NDQ_000754 | the ocean floor | The only resources on or below the ocean floor are minerals such as manganese. | null | null | Multiple Choice | a. true, b. false | b |
6,944 | NDQ_000755 | the ocean floor | Oil rigs floating on the ocean extract petroleum from sea water. | null | null | Multiple Choice | a. true, b. false | b |
6,945 | NDQ_000756 | the ocean floor | Hot water escapes through vents in the ocean floor. | null | null | Multiple Choice | a. true, b. false | a |
6,946 | NDQ_000764 | the ocean floor | volcanic mountain on the ocean floor | null | null | Multiple Choice | a. abyssal plain, b. continental shelf, c. continental slope, d. mid-ocean ridge, e. oceanic trench, f. seamount, g. metallic chimney | f |
6,947 | NDQ_000765 | the ocean floor | mostly flat part of the ocean floor under the open ocean | null | null | Multiple Choice | a. abyssal plain, b. continental shelf, c. continental slope, d. mid-ocean ridge, e. oceanic trench, f. seamount, g. metallic chimney | a |
6,948 | NDQ_000766 | the ocean floor | deep canyon on the ocean floor | null | null | Multiple Choice | a. abyssal plain, b. continental shelf, c. continental slope, d. mid-ocean ridge, e. oceanic trench, f. seamount, g. metallic chimney | e |
6,949 | NDQ_000767 | the ocean floor | part of the ocean floor that lies between the continental shelf and abyssal plain | null | null | Multiple Choice | a. abyssal plain, b. continental shelf, c. continental slope, d. mid-ocean ridge, e. oceanic trench, f. seamount, g. metallic chimney | c |
6,950 | NDQ_000768 | the ocean floor | mountain range that runs through all the worlds oceans | null | null | Multiple Choice | a. abyssal plain, b. continental shelf, c. continental slope, d. mid-ocean ridge, e. oceanic trench, f. seamount, g. metallic chimney | d |
6,951 | NDQ_000769 | the ocean floor | structure on the ocean floor formed by minerals from hot water | null | null | Multiple Choice | a. abyssal plain, b. continental shelf, c. continental slope, d. mid-ocean ridge, e. oceanic trench, f. seamount, g. metallic chimney | g |
6,952 | NDQ_000770 | the ocean floor | ocean floor near the edge of a continent | null | null | Multiple Choice | a. abyssal plain, b. continental shelf, c. continental slope, d. mid-ocean ridge, e. oceanic trench, f. seamount, g. metallic chimney | b |
6,953 | NDQ_000771 | the ocean floor | The main reason it is difficult to directly study the deep ocean floor is that the | null | null | Multiple Choice | a. ocean floor has not been mapped., b. pressure is too high., c. distance is too far., d. water is too hot. | b |
6,954 | NDQ_000772 | the ocean floor | The ocean floor can be studied by scientists at the waters surface with | null | null | Multiple Choice | a. submersibles., b. sonar devices., c. remote-control vehicles., d. two of the above | d |
6,955 | NDQ_000773 | the ocean floor | When using sonar, the distance to the ocean floor is calculated from the | null | null | Multiple Choice | a. time it takes sound waves to travel to the ocean floor., b. pressure ocean water exerts on the ocean floor., c. speed of sound waves through ocean water., d. two of the above | d |
6,956 | NDQ_000774 | the ocean floor | The deepest oceanic trench occurs in the | null | null | Multiple Choice | a. Atlantic Ocean., b. Pacific Ocean., c. Arctic Ocean., d. Indian Ocean. | b |
6,957 | NDQ_000775 | the ocean floor | The mid-ocean ridge forms where tectonic plates | null | null | Multiple Choice | a. slide past one another., b. push together., c. pull apart., d. subduct. | c |
6,958 | NDQ_000776 | the ocean floor | Examples of minerals on the ocean floor include | null | null | Multiple Choice | a. iron., b. copper., c. manganese., d. all of the above | d |
6,959 | NDQ_000777 | the ocean floor | Nodules on the ocean floor are | null | null | Multiple Choice | a. deposits of petroleum., b. pockets of natural gas., c. fossils of organisms., d. balls of minerals. | d |
6,960 | NDQ_000778 | ocean life | The three major groups of marine organisms include | null | null | Multiple Choice | a. fish., b. worms., c. plankton., d. phytoplankton. | c |
6,961 | NDQ_000779 | ocean life | What type of organism found in the ocean floats along with the current? | null | null | Multiple Choice | a. plankton, b. whales, c. jellyfish, d. squids | a |
6,962 | NDQ_000780 | ocean life | Most plankton are | null | null | Multiple Choice | a. able to swim., b. microscopic in size., c. found in the aphotic zone., d. able to move on their own. | b |
6,963 | NDQ_000781 | ocean life | What part of a fishs body extracts oxygen from the water? | null | null | Multiple Choice | a. bladder, b. gills, c. spleen, d. lungs | b |
6,964 | NDQ_000782 | ocean life | All nekton | null | null | Multiple Choice | a. are fish., b. can swim., c. live in the photic zone., d. live in the aphotic zone. | b |
6,965 | NDQ_000783 | ocean life | Benthic organisms that live in the intertidal must do which of the following | null | null | Multiple Choice | a. have hard shells, b. have strong attachments, c. burrow into sediment, d. any of these | d |
6,966 | NDQ_000784 | ocean life | Coral reefs | null | null | Multiple Choice | a. are found off of nearly all shorelines, b. are rocky outcroppings with little other life, c. have a tremendous amount of biodiversity, d. none of these | c |
6,967 | NDQ_000785 | ocean life | Marine organisms that move by crawling are | null | null | Multiple Choice | a. nekton., b. benthos., c. plankton., d. zooplankton. | b |
6,968 | NDQ_000786 | ocean life | An example of a benthic organism is a | null | null | Multiple Choice | a. sea anemone., b. whale shark., c. lion fish., d. fish larva. | a |
6,969 | NDQ_000787 | ocean life | Life in the deepest ocean is | null | null | Multiple Choice | a. non-existent, b. abundant, c. about the same as at the surface, d. scarce | d |
6,970 | NDQ_000789 | ocean life | Tubeworms obtain food from | null | null | Multiple Choice | a. algae., b. bacteria., c. sediments., d. phytoplankton. | b |
6,971 | NDQ_000790 | ocean life | The most important producers in the ocean are | null | null | Multiple Choice | a. plants., b. bacteria., c. zooplankton., d. phytoplankton. | d |
6,972 | NDQ_000798 | ocean life | Nekton must live in the photic zone. | null | null | Multiple Choice | a. true, b. false | b |
6,973 | NDQ_000800 | ocean life | Zooplankton may include larvae of large animals. | null | null | Multiple Choice | a. true, b. false | a |
6,974 | NDQ_000803 | ocean life | Plankton are organisms that can swim against the current. | null | null | Multiple Choice | a. true, b. false | b |
6,975 | NDQ_000805 | ocean life | There is no photosynthesis at deep-sea vents because there is no light. | null | null | Multiple Choice | a. true, b. false | a |
6,976 | NDQ_000806 | ocean life | If an ocean plant can photosynthesize, light must be available to the plant. | null | null | Multiple Choice | a. true, b. false | a |
6,977 | NDQ_000807 | ocean life | All marine organisms are adapted to life in salt water. | null | null | Multiple Choice | a. true, b. false | a |
6,978 | NDQ_000808 | ocean life | No marine organism can withstand the extreme water pressure at the bottom of the ocean. | null | null | Multiple Choice | a. true, b. false | b |
6,979 | NDQ_000809 | ocean life | Fish are the most numerous life forms in the ocean. | null | null | Multiple Choice | a. true, b. false | b |
6,980 | NDQ_000810 | ocean life | Plankton range in size from bacteria to whales. | null | null | Multiple Choice | a. true, b. false | b |
6,981 | NDQ_000811 | ocean life | Plankton always remain in one place because they cannot swim. | null | null | Multiple Choice | a. true, b. false | b |
6,982 | NDQ_000812 | ocean life | Zooplankton feed on phytoplankton. | null | null | Multiple Choice | a. true, b. false | a |
6,983 | NDQ_000813 | ocean life | Some nekton are mammals. | null | null | Multiple Choice | a. true, b. false | a |
6,984 | NDQ_000814 | ocean life | Fish swim with their fins and gills. | null | null | Multiple Choice | a. true, b. false | b |
6,985 | NDQ_000815 | ocean life | Many benthic organisms attach themselves to rocks. | null | null | Multiple Choice | a. true, b. false | a |
6,986 | NDQ_000816 | ocean life | Sea cucumbers live on the ocean floor. | null | null | Multiple Choice | a. true, b. false | a |
6,987 | NDQ_000817 | ocean life | marine organisms that swim | null | null | Multiple Choice | a. benthos, b. nekton, c. phytoplankton, d. plankton, e. zooplankton, f. alga, g. fish larva | b |
6,988 | NDQ_000818 | ocean life | example of zooplankton | null | null | Multiple Choice | a. benthos, b. nekton, c. phytoplankton, d. plankton, e. zooplankton, f. alga, g. fish larva | g |
6,989 | NDQ_000819 | ocean life | name for plant-like plankton | null | null | Multiple Choice | a. benthos, b. nekton, c. phytoplankton, d. plankton, e. zooplankton, f. alga, g. fish larva | c |
6,990 | NDQ_000820 | ocean life | name for animal-like plankton | null | null | Multiple Choice | a. benthos, b. nekton, c. phytoplankton, d. plankton, e. zooplankton, f. alga, g. fish larva | e |
6,991 | NDQ_000821 | ocean life | general term for marine organisms that float on water | null | null | Multiple Choice | a. benthos, b. nekton, c. phytoplankton, d. plankton, e. zooplankton, f. alga, g. fish larva | d |
6,992 | NDQ_000822 | ocean life | organisms that live on the ocean floor | null | null | Multiple Choice | a. benthos, b. nekton, c. phytoplankton, d. plankton, e. zooplankton, f. alga, g. fish larva | a |
6,993 | NDQ_000823 | ocean life | example of phytoplankton | null | null | Multiple Choice | a. benthos, b. nekton, c. phytoplankton, d. plankton, e. zooplankton, f. alga, g. fish larva | f |
6,994 | NDQ_000870 | energy in the atmosphere | A campfire warms the campers sitting around it by conduction. | null | null | Multiple Choice | a. true, b. false | b |
6,995 | NDQ_000871 | energy in the atmosphere | When heat is transferred by the movement of electromagnetic waves it is called | null | null | Multiple Choice | a. convection, b. conduction, c. radiation, d. none of these | c |
6,996 | NDQ_000872 | energy in the atmosphere | Energy can travel only through matter. | null | null | Multiple Choice | a. true, b. false | b |
6,997 | NDQ_000873 | energy in the atmosphere | Electromagnetic spectrum | null | null | Multiple Choice | a. is all visible to humans, b. has the highest energy at the short wavelengths., c. has the highest energy in the infrared., d. is only able to travel through material | b |
6,998 | NDQ_000874 | energy in the atmosphere | Most of the energy on Earth comes from the sun. | null | null | Multiple Choice | a. true, b. false | a |
6,999 | NDQ_000875 | energy in the atmosphere | The vertical movement of air due to the uneven heating is called | null | null | Multiple Choice | a. convection, b. reflection, c. conduction, d. refraction | a |
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