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“WATERFALLS” “Sometimes a river comes to the edge of a very steep drop like a cliff, and falls hundreds of meters in a roaring, splashing…”

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Presentation on theme: "“WATERFALLS” “Sometimes a river comes to the edge of a very steep drop like a cliff, and falls hundreds of meters in a roaring, splashing…”"— Presentation transcript:

1 “WATERFALLS” “Sometimes a river comes to the edge of a very steep drop like a cliff, and falls hundreds of meters in a roaring, splashing…”

2 What is WATERFALL? Waterfall Sudden sheer descent of a stream Flowing over an erosion- resistant rock Sudden break in elevation Source of hydroelectric Often forms in mountain environment

3 Source of Hydroelectric

4 How are WATERFALLS formed ? Flat valley Erosion on soft layers of rock The soft rock is eroded deeper and deeper A different levels of height → Waterfall Cave behind the waterfalls

5 Diagram of Waterfall The hard resistant rock often collapses because the soft rock, which support the hard rock, is eroded.

6 Mountainous Waterfalls A glacier has deepened a major trunk valley The tributary streams discharge by falls or cascades Among the highest in the world

7 Famous Waterfalls Victoria Falls, World’s largest waterfalls, Zimbabwe Angel Falls, world’s highest waterfall, Venezuela

8 Topographic Map

9 Satellite Images

10 Bibliography Amos, Janine. Childcraft Picture Atlas. USA: World Book, Inc, Amos, Janine. Childcraft Picture Atlas. USA: World Book, Inc, Amos, Janine. Childcraft Picture Atlas. USA: World Book, Inc, Waugh, David. The New Wider World. 2nd ed. Cheltenham, UK: Nelson Thornes Ltd, %20Africa%20-%201600x1200%20-%20ID% %20-%20PREMIUM.jpghttp://www.albertorossini.com/images/photo/water/Victoria%20Falls,%20Zimbabwe, %20Africa%20-%201600x1200%20-%20ID% %20-%20PREMIUM.jpg o/water/Victoria%2520Falls,%2520Zimbabwe,%2520Africa%2520- % x1200%2520-%2520ID% %2520-%2520PREMIUM.jpg&imgrefurl=http://images.google.com/imgres?imgurl=http://www.albertorossini.com/images/phot o/water/Victoria%2520Falls,%2520Zimbabwe,%2520Africa%2520- % x1200%2520-%2520ID% %2520-%2520PREMIUM.jpg&imgrefurl= 1R9VLg1dL9SM:&tbnh=112&tbnw=150&hl=en&start=13&prev=/images%3Fq%3DVict oria%2Bfalls%26svnum%3D10%26hl%3Den%26lr%3Dhttp://www.albertorossini.com/photo_water.html&h=1200&w=1600&sz=303&tbnid=KI 1R9VLg1dL9SM:&tbnh=112&tbnw=150&hl=en&start=13&prev=/images%3Fq%3DVict oria%2Bfalls%26svnum%3D10%26hl%3Den%26lr%3D 0Oregon%20-%201600x1200%20-%20ID% %20-%20PREMIUM.jpghttp://www.albertorossini.com/images/photo/water/Columbia%20River%20Gorge,%2 0Oregon%20-%201600x1200%20-%20ID% %20-%20PREMIUM.jpg


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