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Helping Hand
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In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.
Designer Seeds
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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.
Harmless Holder
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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.
How Our Environment Affects Color Vision
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In this lab (Activity #1 on page), learners explore how we see color.
Build a Band
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In this design challenge activity, learners build a four-stringed instrument that can play a tune.
Design a Park
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In this activity, learners are invited to imagine the park of their dreams!
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