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The major goal of this math lesson is to have learners collect data from a variety of experiments, determine what models best fits their data, and explain why their models are best.

Over $20 per group Ages 14 - 18 1 to 2 hours
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In this activity, learners apply Ohm’s Law to construct voltage divider circuits. Learners discover how to read resistor codes and calculate resistor values.

Over $20 per group Ages 14 - 18 2 to 4 hours
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This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.

Over $20 per group Ages 8 - 14 1 to 2 hours