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Breaking Point
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In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.
The Colors of Flowers
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In this activity, learners perform an experiment to find out what determines a flower's color.
In Search of Pollen
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In this activity (on pages 9-14), learners dissect a real flower -- the kind of work botanists do.