Oceans

Front

What is the Continental Shelf?

Back

The Continental Shelf is the underwater land that extends from the coast of a continent, where sunlight reaches and supports a lot of marine life.

Front

What is an Ocean Food Chain?

Back

An Ocean Food Chain shows how energy and nutrients flow from one organism to another in the ocean, starting from small creatures to larger predators.

Front

What is salinity?

Back

Salinity is the measure of how much salt is dissolved in water, especially in oceans.

Front

How does evaporation affect ocean salinity?

Back

When water evaporates from the ocean, it leaves the salt behind, which increases the salinity of the remaining water.

Front

How does salt enter the ocean?

Back

Salt enters the ocean mainly from rain that runs off rocks and land into rivers, which then flow into the ocean.

Front

What is the Abyssal Plain?

Back

The Abyssal Plain is a flat, deep part of the ocean floor that is very dark and has very little life.

Front

What is the Ocean Trench?

Back

An Ocean Trench is a deep, narrow valley in the ocean floor, often the deepest parts of the ocean.

Front

What is the Continental Slope?

Back

The Continental Slope is the steep slope that leads from the edge of the continental shelf down to the ocean floor.

Front

What is buoyancy?

Back

Buoyancy is the ability of an object to float in water or air, depending on its density compared to the fluid.

Front

What are one-celled organisms?

Back

One-celled organisms are tiny living things made up of just one cell, like bacteria and some types of plankton.