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In this activity, learners construct a home-made journal with simple, everyday materials.

In this physics activity, learners will investigate the strength of egg shells.

In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.

With two stacks of books and a few rolls of pennies, build two kinds of bridges--a beam span and an arch span--and see how much weight each of them can hold.

In this engineering activity, learners construct sturdy geodesic structures out of gumdrops and toothpicks. Use this activity to explore engineering principles as well as sturdy shapes and triangles.

In this story time program, young learners listen to the Dr.

In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.

In this quick activity (page 1 of the PDF under SciGirls Activity: Tug O' War), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to supp

In this activity, learners will use Google Sky to observe features of the night sky and share their observations.