Oceans

Section 3

Section 1

Section 4

Section 2

Ocean trench

Continental slope

Continental divide

Abyssal plain

Shelf breaks

Seamounts

Trenches

Abyssal plain

Continental shelf

Ocean trench

Abyssal plain

Mid-ocean trench

Number 1

Number 2

Number 3

Number 4

25%

50%

55%

70%

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

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

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

Continental slopes

Sea floor plain

Ocean trenches

Seamounts