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Snow Day!
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In this activity (on pages 4-5), learners make fake snow by adding water to the super-absorbant chemical from diapers, sodium polyacrylate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-015.png?itok=ERBPDS8C)
Glitter Slime
Source Institutions
In this activity on page 8 of the PDF, learners make a slimy substance very similar to mucus, and sprinkle it with glitter to imitate the way that allergens are trapped.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-029.png?itok=-a4lkmoQ)
Spaghetti Strength
Source Institutions
In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-627.png?itok=30ZtgSrQ)
Fantastic Plastic
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In this activity, learners investigate the properties of plastic bags. Learners find out what happens when they slowly push a pencil through a plastic bag filled with water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-035.png?itok=Z70aajM3)
Exploring A Hydrogel
Source Institutions
In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,