8 terms

Ocean Floor

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continental shelf
A gently sloping, shallow area of the ocean floor that extends outward from the edge of a continent.
continental slope
A steep incline of the ocean floor leading down from the edge of the continental shelf.
abyssal plain
A smooth, nearly flat region of the deep ocean floor.
mid-ocean ridge
An undersea mountain chain where new ocean floor is produced.
trench
A deep, steep-sides canyon in the ocean floor.
current
the circulation of seawater depending on gravity, wind and density (salinity/temperature).
tides
The rise and fall of the ocean's surface levels due to the gravitational pull of the sun and moon.
waves
Movement of water generally caused by wind blowing on the ocean surface.