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5th Grade SOL 5.6 Ocean
Concepts of the Ocean for the 5th Grade Virginia SOL
Terms in this set (34)
the flat area that makes up the deep ocean floor; includes structures such as a seamount, mid-ocean ridge, rift or rift valley, island, or trench.
a ring of islands around a shallow central lagoon.
the gentle sloping of the ocean floor from the shore to the deep ocean; generally no deeper than 667 feet; most life of the ocean found on the shelf area of the ocean; narrow on the Pacific and very wide on the Atlantic Ocean.
the steep slanted area between the continental shelf and the deep ocean floor; average depth of 15,000 feet;
an organism that eats other organisms (people, shark, whale, bird)
an organism that makes its own food (flowers, trees, phytophankton)
a flow of water in a certain direction
all the animals, plants, and bacteria that make up a community in a certain environment
a place where freshwater and saltwater meet (bays, marshes, swamps)
a chain of events where animals are connected to each other by one eating the other
a chain made up of several different food chains
a warm ocean current that carries the United States weather system
a piece of land surrounded by water
plates along the ocean floor are being split apart as molten rock pushes up to form a new ocean floor and a mountain range (divergent boundary)
the top layer of the ocean that contains more than 90% of the ocean's life. Most plants and animals live in this zone. Reaches a depth of 600 feet.
the zone below the sunlight zone and above the midnight zone. There is very little light, no green plants, and very few animals; bioluminescence organs that allow animals to glow in the dark; bottom of sunlight zone to about 3,000 feet.
The zone from the twilight zone to the ocean floor. Very few animals live in this zone.
the study of the ocean and animals/plants that live in them.
killing more of a species that can be replaced by natural production
tiny plants and animals that float in the ocean that are used for food.
the primary producer in most ocean ecosystems which produce energy through photosynthesis
a deep ocean valley formed where two plates move apart (sea-floor spreading occurs)
any substance that destroys the purity of the water
the measure of the amount of salt dissolved in a liquid
an animal that feeds on dead or decaying matter
a steep-sided volcanic mountain under the ocean
the regular rise and fall of the surface of the ocean
a place where two plates of the Earth's crust hit each other, forming a deep part of the ocean (Mariana Trench is the deepest and is found in the Pacific Ocean)
a giant wave caused by an earthquake or volcano
a disturbance that travels through the water
the falling of the surface of the ocean. Also called Ebb tide.
the rising of the surface of the ocean. Also called Flood tide.
a chain of events where animals are connected to each other by one eating the other. Humans are part of the food chain. They hunt for many different kinds of sea-life, from fish to whales and sharks. Humans are at the top of every food chain since they are not consumed by animals.
made up of several different food chains. An animal could be eaten by different animals; thus they are part of several food chains.
THIS SET IS OFTEN IN FOLDERS WITH...
5th Grade SOL 4.4 Plants
5th Grade SOL 5.5 Classification of Living Things
5th Grade SOL 4.1/5.1 Scientific Method
5th Grade SOL 5.2 Sound
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