Transcript f5 tornado
Natural Disasters 9th Grade By: Mr. Alex Filepas Click here to continue! Click on a Natural Disaster to learn more! Tornado Hurricane Flood Blizzard Earthquake Tsunami Volcano Click on question mark for review question! Wildfire Tornado • The Fujita scale is how tornadoes are measured, F0-F5 • They usually form from a thunderstorm • Their shape is a funnel Hurricane • The eye is the calmest part of the storm • They form over really warm ocean water 80 F or warmer • The storm surge is the most devastating part of the storm Earthquake • The Richter Scale measures the seismic waves of an earthquake • Occur at Fault Lines where the tectonic plates slide against each other • Can last for a few second or several minutes Tsunami • A series of ocean waves caused by underwater earthquake, landslide, or volcanic eruption • The first wave is usually not the strongest • Can travel speeds up to 500 MPH Flood • They can develop slowly or in matters of minutes (Flash Flood) • The types of floods are urban, flash, coastal, river, or ponding • They are defined as water covering land where it normally doesn’t cover Blizzard • Wind speed exceeds 35 mph, and visibility less than ¼ mile for more than 3 hours • The snowfall as little to do with the storm it is about the wind intensity • Two types of blizzards: ground & severe Volcano • A mountain that opens downward to a pool of molten rock below Earth’s surface • When pressure builds up eruption occurs • Gasses and rock shoot out of the opening, spill over or fill air with lava Wildfire • Uncontrolled fire that occurs usually in unpopulated areas, but can occur anywhere • Three things need to be present for a wildfire: Fuel, oxygen, and a heat source • Moves at speeds up to 14 mph, burning everything Review Question??? Which Natural Disaster’s calmest part of the storm is known as the “eye”? A.) Tornado B.) Flood C.) Hurricane Oops, Try Again!! A Tornado has a funnel shaped! Oops, Try Again!! A Flood can develop slowly or in a matter of minutes! Great, Awesome Job!!! You got the answer correct! The calmest part of a hurricane is called the eye! Congratulations!!! You have completed this lesson on Natural disasters, click on the home button to return to the main menu so the next student can start the lesson!