Waterfalls

This passage discusses waterfalls and how they are formed.

Lexile Level: 920L

Categories: People & Places Animals & Nature


A waterfall is a land formation where water flows over rocks that drop in elevation. Some waterfalls form in mountain environments. They can form because of erosion. When a stream passes over a layer of hard rock onto a layer of soft rock, the soft rock erodes and falls away. Waterfalls can also form because of sudden geological shifts. Waterfalls are appreciated for their natural beauty. Sometimes the power of a waterfall is harnessed to produce electricity. One of the most famous waterfalls is Niagara Falls, on the border between the United States and Canada. Niagara Falls is not one of the highest waterfalls, but the biggest in North America in terms of water volume. Niagara Falls is powerful and is used to generate electricity by sending some of the water through turbines. At Bridal Veil Falls in the mountains of North Carolina, the road runs behind the waterfall. The highest waterfall in the world is Angel Falls in Venezuela. Angel Falls is 3,212 feet high.


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