Pupils could work to label a world map, showing the locations of the five oceans and could carry out research to find the approximate size of each, ranking these from largest to smallest.

A turtle with a plastic bag in its mouth. Rubbish finds its way around the world, pollutes the oceans and can be harmful to sea creatures. Some kinds of rubbish, such as plastic, are eaten by sea ...

An example is the animation created by the NASA Scientific Visualization Studio, showing a world without oceans. They cover ... NASA reminds us that 96.5 percent of all Earth's water is hidden ...

Until now, only about a quarter of the seafloor has been mapped using ships with special sonar equipment. The rest has ...

The world has one ocean and its health is critical ... and coastal communities and countries with a high dependency on the oceans and their marine resources are particularly affected.