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21 Cards in this Set

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The carrying away of sediment; how beaches change
Erosion
Send sound waves toward the ocean floor; scientist use these to map the ocean floor
Sonar
Flat seafloor; formed from sediments from continental shelves and slopes filling in the hills and valleys on the ocean floor
Abyssal plain
Chains of underwater mountains
Midocean ridge
_____________ and ________________ erode shore zones.
Waves and currents
Flat shore zone feature; waves deposit sand
beaches
Ocean water that runs close and parallel to the shore; many carry sediments for many kilometers
Longshore Current
Place where an organism lives
Habitat
The first part of the ocean floor; it slopes gently
Continental shelf
Region where the seafloor is spreading
Rift Zone
A wall built perpendicular to the shore to trap sand
Groyne
Unwanted or harmful materials or effects to the environment
Pollution
Steep slope on the edge of the continental shelf
Continental slope
_______________ constantly change
Shore zones
Building towns and homes are examples of
habitat destruction.
Examples of how humans effect Shore Zones
sewage

landfills

factory wastes

agricultural runoff
Some of the deepest parts of the ocean are called
Ocean trenches
Water covers _____ of the Earth's surface.
3/4
Water covers _____ of the Earth's surface.
3/4
Where the waves collide with cliffs and rocks; can make high sprays of water
Steep Shore Zone
The ____________________________ are islands formed from volcanoes.
Hawaiian Islands