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Designer Seeds
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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.
How Our Environment Affects Color Vision
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In this lab (Activity #1 on page), learners explore how we see color.
Popsicle Bridge
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In this activity, learners explore how engineering has impacted the development of bridges over time, including innovative designs and the challenge of creating bridges that become landmarks for a cit