How Does a River Change the Shape of Land Over Time?

Rivers are like the earth’s slow-moving sculptors. Imagine a river as a big, long water slide, it carries rocks and sand with it, and over time, these little bits of rock can wear down mountains and make new valleys. A river keeps moving and changing the shape of land for thousands of years.

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Examples

  1. A small stream can turn a big hill into a valley over time.
  2. Rocks and sand in the water act like tiny tools that wear away land.
  3. A river can create a lake by digging out a basin in the ground.

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