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The Science Machine
Resource #31


Rainbow Flowers

Levels: Grades K-4
Topics: plants, biology

Description: A few white flowers, water, scissors, a measuring spoon, and food coloring can help students discover the wonders of osmosis. Within a day, the flowers drink and become tinged with color, a "rainbow" of blooms. Check out the suggestions for further exploration at the end of this National Geographic activity.

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Article by Cara Bafile
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