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Grolier Online
Discover the content connection—the definitive, fully integrated database collection and online research portal. It includes seven encyclopedia databases: Encyclopedia America, Grolier Multimedia Encyclopedia, The New Book of Knowledge, La Nueva Enciclopedia Cumbre, America the Beautiful, Lands and Peoples, and The New Book of Popular Science.

Tornadoes: Fujita Scale For Damaging Winds

Wind Speed
Scalekm/hmphDamage
064-11640-72Light
1117-18073-112Moderate
2181-253113-157Considerable
3254-332158-206Severe
4333-419207-260Devastating
5420-512261-318Incredible

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    Ice Storms

    Ice Storms

    by Anne Wendorff

    The Earth is capable of catastrophic weather phenomena. From hurricanes and tsunamis at sea to droughts and tornadoes on land, no one is completely safe from the devastation these natural disasters can bring. Follow the path of several different extreme weather events from cause to effect in this series filled with factual text and fascinating photos.

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    Library Binding | Grades K-3
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    The Weather

    The Weather

    See below for complete list of titles!

    $15.00 You save: 43%
    Paperback Book Collection | Grades K-1
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    The Weather
    Grades K-1 $15.00
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