In our previous article, we explored how children can investigate the changing world around them through the Kindiedays Seasons & Weather theme.
Now our journey through experiential lesson plans continues with something children are always curious about:
Under the Sea 🦀🐠🐳⛵️

What lives in the ocean? How do waves move? Can we build a boat that floats? What colours and patterns might we discover underwater?
These questions invite children to talk, imagine, experiment, and create. They also give teachers opportunities to support language, creative expression, emotional development, scientific thinking, and movement within one connected theme.
For a preschool owner or academic coordinator, a theme's value lies in its ability to provide an engaging context for purposeful learning throughout the week.
One theme with many opportunities for learning
Under the Sea opens a world that many children have seen in pictures or stories but may never have explored themselves. Some children know the beach well. Others might connect water with rain, a pond or a bucket in the playground.
Teachers can begin with those familiar experiences and introduce the wider ocean world through stories, pictures, sensory exploration, art and imaginative play.
Children can investigate questions such as:
- What creatures live in the sea?
- How can we describe how water moves?
- Which materials float, and which sink?
- How could we help a toy penguin travel across the water?
- What textures and patterns can we create in an ocean picture?
- How can we care for the water and the creatures that live in it?
Children can suggest ideas, test them, and talk about what they discover. The teacher guides the experience while leaving room for children's choices and curiosity.
Why explore Under the Sea in preschool
The theme brings together experiences that look quite different. A conversation about a favourite object develops communication. Printing an ocean background encourages creative expression. Testing a boat gives children a practical problem to solve.
The free Kindiedays Level 2 sample, Under the Sea — Ocean Explorers, shows how these experiences can fit into a balanced week. It includes five lesson plans, each about 30 minutes long, plus a weekly overview and supporting printable resources.
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