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In this activity, learners explore center of gravity, or balance point, of stacked blocks.

In this math activity, learners observe and sketch cracking patterns in pavement.

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?

Did you know that you would be a different age if you lived on Mars? It's true!

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

In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.