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Students make a model air pollution detector using string and petroleum jelly, then use it to check pollution levels in different locations. Materials list, rubric, worksheets, and answer key are provided.
Scott Foresman, an imprint of Pearson
Provided by Scott Foresman, an imprint of Pearson, the world's leading elementary educational publisher. Its line of educational resources supports teachers and helps schools and districts meet demands for adequate yearly progress and reporting.