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In this activity (page 19 of the PDF) learners will create a soda bottle bioreactor by exploring the science of composting, comparing variables such as reactor design, moisture content, and nutrient r

In this activity, learners will design a protective package for an egg that will allow the egg to withstand a fall without cracking.

In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.

This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.

In this physics activity (page 2 of the PDF), learners will construct their own walkalong glider. They will explore how air, though invisible, surrounds and affects other objects.

In this environmental activity (page 16 of the PDF), learners will calculate the amount of energy they save by recycling paper, plastic, glass, and aluminum materials over the span of a week.

In this physics activity, learners build their own rockets out of film canisters and construction paper.

In this activity, learners construct a rocket powered by the pressure generated from an effervescing antacid tablet reacting with water, and build a launch pad for their rocket.

In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.

This is an online game about the complexities of farming. Learners will "draw" cards and make decisions about how to take care of their farm.

In this engineering activity, learners test the stability of towers they build out of cups, discovering that structures with more mass in the base are more stable.

In this activity, learners design a bicycle helmet. Participants will explore the design of bicycle helmets to gain an appreciation for the role that helmet layers play protecting the head.

In this fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.

In this activity, learners will work together to create a program to navigate a Remotely Operated Vehicle (ROV) through an obstacle course.

In this activity, learners explore why frost forms. They create their own frost using a solution of ice water and salt in a glass.

In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life.

In this physics activity (page 10 of the PDF), learners will explore how energy from moving water can be used.

In this ecology activity (page 8 of the PDF), learners explore how to filter contaminated water using a variety of materials.