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Marshmallow Catapult
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In this activity, learners explore physics by building a catapult that launches marshmallows with household objects.
"Baseketball": A Physicist Party Trick
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This trick from Exploratorium physicist Paul Doherty lets you add together the bounces of two balls and send one ball flying.
Harvesting Chemicals from a Battery
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In this activity, learners take apart a used zinc-carbon dry cell battery.
Think Fast!: Just How Quick Are You?
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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?
Heart of the Matter
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In this activity, learners explore the concept of valve operation and how engineers have adapted valves for use in mechanical heart valve design.
Masses & Springs
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In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.
Nuclear Fusion
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This simple and engaging astronomy activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model.
Supernova Star Maps
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This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.
Waves: An Alternative Energy Source
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In this data analysis and environmental science activity, learners evaluate the feasibility of wave energy as a practical alternative energy source using ocean observing system (OOS) buoys.
Extra Bounce
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In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum.