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

In this activity, learners compare their own strength to ants through a series of physical tests.

In this activity, learners are challenged to calculate their own weight on various planets using a scale and calculator. Older learners may be challenged to do so without using calculators.

This is an activity about reaction times. Just how quickly must an NHL goalie respond to save a shot, and how does your reaction time compare?

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

In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

In this activity, learners build a scale model of the solar system using a roll of toilet paper.

Learners make their own simple slide rules out of paper and learn how they work.