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In this food science activity, learners explore digestion and proteins by observing the action of meat tenderizer on luncheon meat.

In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.

In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

In this activity (page 1 of the PDF under SciGirls Activity: Double Dutch), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record

This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

In this math lesson (on Page 13), learners predict and simulate the likelihood of an event occurring.

In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.

In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater.