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In this activity, learners use transparent tape and polarizing material to create and project beautifully colored patterns reminiscent of abstract or geometric stained glass windows--no glass required

In this math lesson, learners explore and investigate measurement using standard and non-standard units.

In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.

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.

In this activity, learners construct a projector out of cardboard to view their favorite images (such as storybook illustrations) on the wall.

In this activity, learners construct a device that projects images onto a surface, so they can trace landscapes and other sights.

In this activity on page 8 of the PDF (Behind the Scenes with Chemistry), learners make three of Harry Potter's essential school supplies: quills, ink, and color-changing paper.

In this activity, learners use chemistry to produce weathered "antiqued" paper with burned edges. Learners first soak white paper in coffee and then apply a charring solution of ammonium chloride.

In this mechanical engineering activity, learners design shadow puppets with moving parts and use them to tell stories.

In this activity, learners explore how engineers have improved roofing designs and materials in order to protect the contents of buildings.