1. Study the picture and see if you can explain how the landforms were changed over time

2. The Grand Canyon The water from the Colorado River has cut away the land into a canyon over millions of years.

5. Niagara Falls Water has sculpted the shape of these falls

7. Strange rock formations Wind has blown away the softer rock around this landform and carved out this shape

8. Wind has carved out the softer rock in the middle of this landform. Over time, the hole will get bigger

10. Sand dunes Wind blows around and forms these peaks

11. The Matterhorn in Switzerland A glacier has scraped this mountain into its current form