Cross curricular: Under the sea

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By Tommy Donbavand a children’s entertainer and author. Free classroom activities, projects and resources can be found at his website:

Dive in for some fishy fun with an under the sea day!


The world’s oceanic waters take up around 70 per cent of the Earth’s surface. They have long been associated with mythical creatures and gods and goddesses, and are home to an amazing array of wildlife. Exploring life beneath the waves can be a fascinating topic. The activities here take a cross-curricular approach to discovering what lies beneath!


1. Dive in

The first thing you need to do is to decorate your classroom like an undersea world to capture an atmosphere. You can begin by making seaweed to hang around the room. Take a roll of green crepe paper and cut the bottom end into uneven strips – leaving around 6cm intact at the top of the roll. When you open out the crepe paper, you’ll have a long streamer with dangling seaweed to stick to the wall. Get your class to make a few of these in greens, purples and blues.

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