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In this activity, learners watch a figure "magically" float up through the air.

In this activity, learners investigate the behavior of magnets. Learners create a "wonder wand" with a magnet so they can move a skater around.

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

In this activity, learners make mobiles to explore the concepts of balance, counterbalance, weight, and counterweight.

Experiment with friction and make bearings for a whirligig! This activity is a nice introduction to friction and bearings and demonstrates why bearings are useful for spinning.

In this activity, learners explore how pens have been engineered and re-engineered over time. Learners work as a team to develop a working pen out of everyday items.

In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.

Make a kite out of a garbage bag, shower curtain, painting tarp--anything light, thin, flexible and plastic!

The goal of this activity is to design, build and test a house or toy for an animal.

In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.

In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

In this activity, learners explore the properties of paper by constructing and modifying paper airplanes.

In this activity, learners are challenged to design and construct a trophy for prize-winning sports equipment.

Learners create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together.

In this activity, learners discover that some things only stand up while they are spinning.

In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.

Learners explore capillary action in plants (such as plants ability to move water from roots to leaves) in an investigation called Paper Blooms.