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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete

In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.

This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.

In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads.