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The world’s second largest ocean is the Atlantic Ocean ... even in the summer. The Southern Ocean is the second smallest ocean. The smallest and shallowest ocean is the Arctic Ocean.

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.

Plastic has infiltrated all parts of the ocean and is now found “in the smallest plankton up to the largest whale” wildlife group WWF said on Tuesday, calling for urgent efforts to create an ...