Oceans

Which section represents the continental slope?

• Section 3

• Section 1

• Section 4

• Section 2

The continental shelf is shallower, wider, and less steep than the -

• Ocean trench

• Continental slope

• Continental divide

• Abyssal plain

Underwater mountains or volcanoes are called --

• Shelf breaks

• Seamounts

• Trenches

• Abyssal plain

Which part of the ocean floor is very deep, smooth, and flat?

• Continental shelf

• Ocean trench

• Abyssal plain

• Mid-ocean trench

Which number represents an ocean trench?

• Number 1

• Number 2

• Number 3

• Number 4

What percentage of the Earth is covered by the oceans?

• 25%

• 50%

• 55%

• 70%

Which best describes the part of the ocean called the continental shelf?

• A shallow area of sediment near the shore

• A region with a higher water pressure

• A flat underwater valley

• A region of mountains in the deep ocean

The ocean floor --

• covers less area than the land

• is covered by the same amount of water everywhere

• has mountains, plains, and ridges like land surfaces

• is always a flat bed of sand

What is the relationship between temperature, pressure, and salinity as the depth of ocean water increases?

• Temperature decreases, pressure increases, and salinity increases

• Temperature increases, pressure increases, and salinity decreases

• Temperature decreases, pressure decreases, and salinity decreases

• Temperature increases, pressure increases, and salinity increases

What are the long, deep, narrow canyons in the sea floor plains called?

• Continental slopes

• Sea floor plain

• Ocean trenches

• Seamounts