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This is a series of demonstrations about different electrical and magnetic phenomena.

In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.

In this activity, learners separate materials based on their special properties to mimic the way recyclables are sorted at recycling centers.

Coins are everyday objects which tell a lot about the people who use them.

In this activity, learners explore how civil engineers solved the challenge of moving water via irrigation.

In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.

Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.

In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.

In this activity, learners explore how rescue devices are designed to aid professionals during emergency situations.

In this activity, learners examine antibodies and antibody recognition using a model.

In this activity, learners explore the history of making objects from glass and artistry of Dale Chihuly.

In this activity, learners carry out a scientific investigation of dust in their classroom. Learners produce an analysis on graph paper of the dust they collect over the course of a few days.

Learners work in groups to construct bridges using stale marshmallows and toothpicks.

In this activity, learners explore sports engineering and advanced materials development.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this activity, learners explore the concept of how engineering solved the problem of human/computer interface.

Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water.

In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.

Make a model city happier with LEDs, circuits, motors, and batteries! Groups can think, discuss, design, and build what would make a community happy. Kids can work as part of a team or on their own.