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In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.

This lab activity has learners create a pendulum with a one-second period.

In this activity (located on pages 23-24 of the PDF), learners are introduced to structural engineering and encouraged to practice goal-oriented building.

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

In this activity, learners use simple items to construct a device for indicating air pressure changes.

Learners build simple catapults and use them to launch cotton balls.

In this space science activity, learners explore transits and the conditions when a transit may be seen.

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

In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the

This trick from Exploratorium physicist Paul Doherty lets you add together the bounces of two balls and send one ball flying.

In this demonstration, learners explore a variation of a Foucault pendulum, but upside down.

In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.

In this activity, learners build mini catapults using paint paddles and a spoon. Use this activity to introduce learners to forces and projectile motion.

In this activity, learners will explore how and why weight distribution works.

In this activity, learners explore the devices used over time to measure changes in temperature.

In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus.

Learners build and investigate pendulums of different lengths. They discover that the longer the string of the pendulum, the longer the time it takes to swing.

In this activity, learners use simple items to construct a device for indicating air pressure changes.

In this activity, learners determine the elastic and plastic properties of different types of metal wires.

Get all wrapped up in a lesson about skin!