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Catastrophic Event Catastrophic Event • An event that results from Earth processes and that can cause damage and endanger human life – Tornado – Earthquakes – Floods – Wildfire Hurricane Tsunamis Volcanoes Drought Tornado http://www.neok12.com/php/watch.php?v=zX794263614f685363004751&t= Natural-Disasters Tornado • Cause – cold and warm air colliding when thunderstorms meet • Impact to Earth – kills plants, damages topsoil • Impact to People – high winds destroy buildings, can have flooding Hurricane http://www.neok12.com/php/watch.php?v=zX4b0975500358 4b5759007f&t=Natural-Disasters Hurricane • Cause – air pressure differences over the ocean • Impact to Earth – kills plants, destroys beaches • Impact to People – high winds destroy buildings, can have flooding Tsunami http://www.neok12.com/php/watch.php?v=zX53095a467b67 7a5e0c7e0a&t=Natural-Disasters Tsunami • Cause – earthquake under the ocean floor • Impact to Earth – destroys beaches and coral reefs • Impact to People – large loss of life, destroys buildings Volcano http://www.neok12.com/php/watch.php?v=zX4762460453 7c4154525151&t=Natural-Disasters Volcano • Cause – build up of pressure deep inside Earth • Impact to Earth – burns plants, creates new land • Impact to People – burns or covers buildings Earthquake http://www.neok12.com/php/watch.php?v=zX06611b0305665 1036a0141&t=Natural-Disasters Earthquake • Cause – moving tectonic plates • Impact to Earth – changes the look of the land • Impact to People – damages buildings, kills people Drought http://video.nationalgeographic.com/video/environment/envir onment-natural-disasters/landslides-and-more/droughts/ Drought • Cause – lack of rain, heat • Impact to Earth – kills plants and animals • Impact to People – money loss from crop and livestock damage Wild Fire http://video.nationalgeographic.com/video/environment/enviro nment-natural-disasters/landslides-and-more/wildfireresearch/ Wildfire • Cause – lightning, can be man-made • Impact to Earth – burns everything, fertilizes the soil • Impact to People – destroys everything in it’s way Flood http://video.nationalgeographic.com/video/environment/enviro nment-natural-disasters/landslides-and-more/floods/ Flood • Cause – too much rain • Impact to Earth – changes the land, fertilizes the soil • Impact to People – loss of life and buildings Avalanche http://www.neok12.com/php/watch.php?v=zX455b4404645e 15620c6402&t=Natural-Disasters Avalanche • Cause – too much snow and a steep slope • Impact to Earth – changes the land, destroys plant life • Impact to People – loss of life and buildings • Click on the link to take your quiz on natural disasters http://www.neok12.com/diagram/Na tural-Disasters-01.htm Click on the link to open the puzzles. http://www.neok12.com/jigsaw-puzzles/Natural-Disasters.htm
