Erosion: Water Wears Away Rock

What You'll Learn

Rivers flow from high places to low places, carrying water, sand, and tiny rocks along the way.

Step 1 — Read

Look at the picture and read the labels.

Step 2 — Do

Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.

Step 3 — Observe

Draw a picture of what you observe.

Step 4 — Record

Share your results with a partner.

1 of 3

What happens when the sun heats water?