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 http://en.wikipedia.org/wiki/Waterfalls http://encarta.msn.com/encyclopedia_761556874/Waterfall.html http://www.hsdejong.nl/burma/putao/target_images/hydroelectric_power_plant.jpg http://waterfalls.fromru.com/Great/Niagara/Panoramic_View_of_Niagara_Falls.jpghttp://www.hsdejong.nl/burma/putao/target_images/hydroelectric_power_plant.jpg http://waterfalls.fromru.com/Great/Niagara/Panoramic_View_of_Niagara_Falls.jpg http://gallery.cs.umb.edu/gallery/albums/SnoqualmieFallsPark/ViewofFalls1.sized.jpg Amos, Janine. Childcraft Picture Atlas. USA: World Book, Inc, 1994. 223. Amos, Janine. Childcraft Picture Atlas. USA: World Book, Inc, 1994. 253. Amos, Janine. Childcraft Picture Atlas. USA: World Book, Inc, 1994. 187. Waugh, David. The New Wider World. 2nd ed. Cheltenham, UK: Nelson Thornes Ltd, 2003. 283. http://www.albertorossini.com/images/photo/water/Victoria%20Falls,%20Zimbabwe, %20Africa%20-%201600x1200%20-%20ID%2045425%20-%20PREMIUM.jpghttp://www.albertorossini.com/images/photo/water/Victoria%20Falls,%20Zimbabwe, %20Africa%20-%201600x1200%20-%20ID%2045425%20-%20PREMIUM.jpg http://images.google.com/imgres?imgurl=http://www.albertorossini.com/images/phot o/water/Victoria%2520Falls,%2520Zimbabwe,%2520Africa%2520- %25201600x1200%2520-%2520ID%252045425%2520-%2520PREMIUM.jpg&imgrefurl=http://images.google.com/imgres?imgurl=http://www.albertorossini.com/images/phot o/water/Victoria%2520Falls,%2520Zimbabwe,%2520Africa%2520- %25201600x1200%2520-%2520ID%252045425%2520-%2520PREMIUM.jpg&imgrefurl= http://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%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 http://www.monnikhof.com/Victoria-Falls-2.jpg http://www.albertorossini.com/images/photo/water/Columbia%20River%20Gorge,%2 0Oregon%20-%201600x1200%20-%20ID%2042612%20-%20PREMIUM.jpghttp://www.albertorossini.com/images/photo/water/Columbia%20River%20Gorge,%2 0Oregon%20-%201600x1200%20-%20ID%2042612%20-%20PREMIUM.jpg http://www.niagarafallslive.com/images/niagara_falls_aerial_photo.gif http://www.fishweb.com/maps/chippewa/tahquamenon_river/photos/sat_view.jpg http://www.fishweb.com/maps/chippewa/tahquamenon_river/lower_falls/index.html http://www.fishweb.com/maps/chippewa/tahquamenon_river/upper_falls/index.html http://www.ramproductions.com/wj2/326.jpg http://www.photo.net/samantha/medium-format/tower-falls.jpg