Oceans cover more than two-thirds of Earth's surface.

There are four oceans.

The thermocline...

What % of the world is water?

What type of water is in the Ocean?

This ocean borders the North and South America on the West, and Europe and Africa to the East.

This ocean contains the "Ring of Fire", a series of active volcanoes and active tectonic plates. Borders North America and South America on the East, and Asia and Australia on the West

This ocean borders Africa, Asia, and Australia. Hurricanes occur in the Atlantic Ocean, but are called typhoons here.

A small ocean, this borders North America, Asia, and Europe. It's the one at the top...

This is ocean surrounds Antarctica. It's the one at the bottom...

How many ocean subdivisions are there in the world?

Which is the largest ocean subdivision?

What term is the measure of dissolved solids in water?

A steep temperature gradient in a body of water marked by a layer above and below which is at different temperatures.

In this layer of the ocean the water temperature drops with increased depth faster than it does in other layers

The feature found near the oldest part of the ocean would likely be

the newest ocean floor would be found where

what type of rock is made when seafloor spreading occurs and makes up most of the ocean floor

The Mariana __________ is the deepest known place on Earth