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Worksheet
Curated OER

Mystery State # 39

For Students 6th - 8th
Which state will be the answer to the five clues today? After considering each clue, learners will name the mystery state. If your class can determine which state was home to Chief Sitting Bull, they'll be able to answer South Dakota. 
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Worksheet
DePaul University

Breaking the Food Chain

For Students 3rd - 5th Standards
Throughout history, the growth of big cities has resulted in the destruction of ecosystems. In the case of Chicago, IL, a grassland that was once home to bison, deer, wolves, and foxes quickly became a booming city of over three million...