Did You Know?
Some fish swim with the current!
How Water Moves
Water moves in a line. It can go fast or slow.
Why Currents Change
Wind and the moon can change currents.
What current (hydrology) Does
It helps fish swim.
It moves boats on rivers.
It can change the beach.
It helps mix water in lakes.
It can move dirt and sand.
It helps keep water clean.
More About current (hydrology)
Water has been moving for a long time. It goes in rivers, lakes, and oceans. People have watched it for years. They learn how it works.
Currents help us every day. They move boats and help fish find food. They also help keep water fresh and clean.
In the future, we will learn more. We can use currents to help us. They can help us make energy too!
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