Front

What is erosion?

Back

The wearing away of rock over time.

Front

What forms a canyon?

Back

A river.

Front

If you floated down a river on top of a mountain, where would you go?

Back

The ocean.

Front

Where do all rivers flow from?

Back

High to low places.

Front

Where does the purple sand on a beach come from?

Back

Mountains with purple rocks near the beach.

Front

What is a river?

Back

A large, flowing body of water that usually empties into an ocean or lake.

Front

What causes erosion?

Back

Water, wind, and ice can wear away rocks and soil.

Front

What is sediment?

Back

Small pieces of rock and soil that are carried by water or wind.

Front

How do rivers change the land?

Back

Rivers can carve out valleys and canyons through erosion.

Front

What is a delta?

Back

A landform created where a river meets a body of water and deposits sediment.