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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

$5 - $10 per group Ages 8 - 14 1 to 4 weeks
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Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.

$10 - $20 per group Ages 11 - 18 2 to 4 hours