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Interdisciplinary

  • The Basics of Graphs and Charts When conducting experiments, scientists rely on graphs to convey the data they obtain. But with so many kinds of graphs available, how do they know which one to choose? For the young scientists in your classroom, this can sometimes be a difficult decision to make. View »
  • AP® Free-Response Questions: Dos and Don’ts Flo Gullickson, an experienced AP® Environmental Science teacher and exam reader, shares tips on how to approach free-response questions. View »
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