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In this activity about light and perception, learners create pictures in thin air.

In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.

The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.

This activity was designed for blind learners, but all types of learners can participate to learn about conservation of gas. This is one of the classic experiments using baking soda and vinegar.

In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.