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Chromatography Can Separate!
Source Institutions
In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-357.gif?itok=blHTfrM_)
Our Sense of Sight: Color Vision
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In this activity, learners investigate color vision as well as plan and conduct their own experiments.
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Build Your Own Robot Arm
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In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.
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Polymers are Chains (K-2)
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In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.
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Heart and Lungs
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In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.
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Nature of Dye
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"Nature of Dye" allows participants to create their own dyes and art while exploring how chemicals interact and how these interactions can have real-world applications.
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Chromatography
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In this activity (page 3 of the PDF), learners will observe a physical change.
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Crystals: Grow Your Own Garden
Source Institutions
In this simple activity (on page 2 of the PDF), learners make a crystal garden using salt, water, and a brick.