http://techhappy.wordpress.com/2010/10/11/ - 0 views
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Debra Gottsleben on 28 Oct 10"One thing kids (and adults) often have trouble with is the concept of scale. Understanding how big or small something is can be difficult if there is no familiar reference point of which to compare. Here are 3 sites that help students gain an understanding of size and how certain occurrences that happen on our planet compare to places that they are familiar with."
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Debra Gottsleben on 28 Oct 10For World History for country analyis