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Learners build devices from rubber bands to test for invisible air pollutants.

Learners tour their school or home looking for sources of indoor air pollutants (IAPs).

In this great hands-on activity, learners use patterns to make a teepee from newspaper that they sit inside.

In this activity, learners determine whether thermal energy can be used for work.

In this robotics activity, learners find ways to express emotions and feelings using only body movements, not facial expressions.

In this activity (pages 42-49), learners discover the methods and challenges of building nanoscale structures with macroscale equipment.

In this activity, learners explore the concept of friction and how ball bearings reduce friction.

In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.

In this fun hands-on activity learners explore a simple machine: the lever. What happens to a load when you multiply the length of a lever? Find out here!

In this activity, learners incorporate a simple switch into a battery/bulb circuit. Learners will use their knowledge of circuits to design and make their own switches using common materials.

In this activity, learners build their own sound machines and explore the interplay of motion and sound.

In this activity, learners build a kite out of paper, change it, and try to make it fly even better. With their new knowledge of kite making, students can then go on to create their own kite designs.

In this activity, learners make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.

In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.