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    In this chemistry activity (page 1 of the PDF), learners will observe a physical change. By making their own sugar or salt crystals, learners will identify physical changes and see how they can be...

    $1 - $5 per student Ages 6 - 14 1 to 4 weeks
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    In this activity about magnetism (page 13 of the pdf), learners will experiment with magnets to explore how water and other liquids affect the strength of magnetic fields.

    $1 - $5 per group Ages 6 - 11 10 to 30 minutes
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    In this genetics activity, learners extract DNA from an onion, using detergent solution, a food processor, and rubbing alcohol. They will also discuss genetic engineering of plants.

    $10 - $20 per group Ages 11 - 18 30 to 45 minutes