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In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.

In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

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.

In this lab (Activity #1 on page), learners explore how we see color.

In this hands-on activity, learners investigate the functional design of leaves on a tree.

Learners design different shaped bandages for different purposes. First, they draw their designs on paper.

In this design challenge activity, learners build a four-stringed instrument that can play a tune.

In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

In this activity, learners are invited to imagine the park of their dreams!

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

In this activity, learners observe fly behavior and then build a flytrap.