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A waterfall is a place where flowing water rapidly drops in elevation as it flows over a steep region or a cliff. Waterfalls are often formed by rivers where softer bedrock downstream is eroded faster than the harder bedrock upstream.

en.wikipedia.org/wiki/Waterfall

A waterfall is a place where water flows over a vertical drop or a series of drops in the course of a stream or river. Waterfalls also occur where meltwater drops ...

www.sciencekids.co.nz/sciencefacts/earth/waterfalls.html

Erosion plays an important part in the formation of waterfalls. As a stream flows, it carries sediment that can erode the soft bed rock (limestone and sandstone) ...

www.softschools.com/facts/geography/waterfalls_facts/2755

A waterfall is a spot where water from a stream, river, or melting glacier or ice flows over a vertical drop. A waterfall can also be a series of drops along a river.

www.scienceforkidsclub.com/waterfalls.html

Waterfalls are seriously cool. Have you stood near a waterfall and just watched it ? It's amazing. There are also heaps of seriously awesome waterfalls in the ...

www.encyclopedia.com/earth-and-environment/geology-and-oceanography/geology-and-oceanography/waterfall

Get information, facts, and pictures about waterfall at Encyclopedia.com. Make research projects and school reports about waterfall easy with credible articles ...

www.nationalgeographic.org/encyclopedia/waterfall

Mar 28, 2013 ... A waterfall is a steep descent of a river or other body of water over a rocky ledge.

study.com/academy/lesson/waterfall-facts-lesson-for-kids.html

Waterfalls are one of nature's most beautiful attractions! In this lesson, learn some new facts about waterfalls. Find out about some of the most...

www.houseandhome.org/waterfall-facts

Dec 27, 2013 ... Waterfalls are places where a river plunges vertically. Waterfalls may form where the river flows over a band of hard rock, such as a volcanic sill ...

www.strange-facts.info/interesting-facts-about-waterfalls

Dec 14, 2009 ... Waterfalls are grouped into ten broad classes based on the average volume of water present on the fall using a logarithmic scale. Types of ...