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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.

In this activity (on page 2 of PDF under GPS: Sea Turtles Activity), learners will model how a sea turtle population changes over time, from eggs to adults, using puffed rice.

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 about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.

In this math activity related to volume, learners use problem solving skills to calculate and build a model house for Minus the dog.

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

Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.