Earth's water is always on the move. It rises from the sea, travels through the sky, and comes home again. The ocean holds most of our planet's water, so it is the big engine of the water cycle. Without that huge blue store, rain, rivers, and clouds would have far less to work with. When you see waves, you are looking at the starting point of a long journey.
⚡ DID YOU KNOW?
Most of Earth's water sits in the ocean. That is why the sea matters so much for rain and rivers on land.