Oceans 5 Flashcards
What percentage of Earth is covered by oceans?
70%
What is the more gradual slope that is made by the sediment that has rolled down the steep continental slope?
continental rise
What is the area of the ocean floor that is located just off the coast?
continental shelf
What is the steep drop from the continental shelf to the ocean floor called?
continental slope
What is the deep flat part of the ocean bottom called?
abyssal plain
What is a break in the ocean floor that creates a deep canyon called?
an ocean trench
What do gases and dissolved salt water create?
ocean water
What geographic features are located near the continents?
continental shelf, continental slope, continental rise
What is the measure of the amount of salt in water?
salinity
What are the continental shelf, slope, and rise covered with?
sand, mud, and rocks
Where is salinity higher?
where there is more evaporation
Where is the lowest ocean water salinity found?
where a river enters the ocean
What are the basic motions of ocean water?
waves, ocean currents, tides
What is a river of water that moves through the ocean?
an ocean current
What is the rise and fall of the ocean’s surface level caused by the Moon’s gravity called?
tides
