Oceans

Front

The total amount of dissolved salts in a sample of water is its

Back

salinity

Front

Surface currents are caused mainly by

Back

prevailing winds

Front

The ______________ ocean is the largest ocean.

Back

Pacific

Front

The Arctic ocean is the ______________ ocean on Earth.

Back

smallest

Front

Deep ocean currents are ___________.

Back

cold

Front

A factor that affects the density of ocean currents is

Back

salinity

Front

A ___________________ is an underwater vehicle built of materials that resist pressure.

Back

submersible

Front

_____________________ brings up tiny ocean organisms and nutrients from the deeper layers of the water.

Back

Upwelling

Front

Currents affect climate by cooling or warming the _________________ above it.

Back

atmosphere

Front

There are _______________ oceans in the world.

Back

five