Entry Task: Entry Task: In your own words In your own words

describe what a tornado is.describe what a tornado is.

The World is always changing.

Natural disasters are changes which are so great they may cause damage to the shape of the land or to the lives of people and other living things.

Great changes happen deep inside the Earth and on its surface. The changes on the outer part of the Earth happen because of different kinds of weather.

What are Natural Disasters?What are Natural Disasters? EarthquakeEarthquake Volcanic eruptionVolcanic eruption Tsunami Tsunami HurricaneHurricane AvalancheAvalanche FloodFlood DroughtDrought Tornados Tornados

Interactive Interactive Notebooks: Notebooks:

Title = A, D, F and Tornados Title = A, D, F and Tornados

Right Side = Class Notes Right Side = Class Notes

AvalancheAvalancheAn Avalanche is a movement of snow, ice and rock down a mountainside. Avalanches happen very suddenly and can move as fast as a racing car up to 124mph.

Avalanches can be caused by –

snow melting quickly

snow freezing, melting then freezing again

someone skiing

a loud noise or an earth tremor

FloodFloodA flood is caused by an overflow of water which covers the land that is usually dry.

Floods are caused by heavy rain or by snow melting and the rivers burst their banks and overflow.

Costal floods are caused by high tides, a rise in sea level, storm waves or tsunami (earthquakes under the sea).

DroughtDroughtA drought is the lack of rain for a long time.

In 1968 a drought began in Africa. Children born during this year were five years old before rain fell again.

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What states you think have What states you think have the most tornados per year: the most tornados per year:

What is Tornado What is Tornado Alley? Alley?

Frequency of Tornados in Tornado Frequency of Tornados in Tornado Alley Alley

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Tornado Watch: Tornado Watch: Tornadoes are possible in and near the Tornadoes are possible in and near the watch area. Review and discuss your watch area. Review and discuss your emergency plans, and check supplies and emergency plans, and check supplies and your safe room. Be ready to act quickly if your safe room. Be ready to act quickly if a warning is issued or you suspect a a warning is issued or you suspect a tornado is approaching. Acting early helps tornado is approaching. Acting early helps to save lives!to save lives!

Tornado Warning: Tornado Warning: A tornado has been sighted or indicated A tornado has been sighted or indicated by weather radar. Tornado warnings by weather radar. Tornado warnings indicate imminent danger to life and indicate imminent danger to life and property. Go immediately under ground to property. Go immediately under ground to a basement, storm cellar or an interior a basement, storm cellar or an interior room (closet, hallway or bathroom).room (closet, hallway or bathroom).

LEFT SIDE: LEFT SIDE: Complete these questions Complete these questions on your on your left side left side of your of your Interactive Notebook. Interactive Notebook.

Write the Write the questionquestion & the & the answeranswer. .