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

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.