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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.

In this up-cycling activity, learners recycle plastic bags and repurpose them into useful wallets.

In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.

Heat makes some materials expand, and it makes others shrink.

In this activity, learners thread gumdrops together to make a model of a polymer.

In this activity, learners investigate the basic crystal structures that metal atoms form.

In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.

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.

In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art.

In this activity, learners stain fabrics--on purpose!

In this activity, learners explore the question "What is paper?" Learners discover the processes and materials required to make paper while experimenting with different recycled fibers and tools.

Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.

In this activity on page 7 of the PDF, learners experiment with the interesting designs that can be made by painting on plaster.

This activity introduces learners to the structure and properties of carbon nanotubes.

This activity shows learners (with adult supervision) how to make a Glitter Globe, a fabulous toy that shimmers when you shake it.

In this activity on page 5 of the PDF, learners mimic the process for making bricks. Learners shape and bake creations from a dough that is made from flour, salt, and water.

Learners explore capillary action in plants (such as plants ability to move water from roots to leaves) in an investigation called Paper Blooms.

In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.