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In this experiment, learners isolate Deoxyribonucleic Acid (DNA) from onion cells using a simple extraction procedure.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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Many common household cleaners are antimicrobials.

$1 - $5 per group Ages 8 - adult 10 to 30 minutes
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This detailed lesson plan for a field trip to Canyonlands National Park in Utah (page 32 of pdf) teaches students about the habitat of bighorn sheep.

Over $20 per group Ages 11 - 14 1 to 7 days
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In this activity, learners will create a drawing with dry erase markers and watch it come to life. Learners will explore chemistry, art and storytelling through this activity.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes