The Exploratorium

Spinning Blackboard
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Create beautiful spirals by drawing a straight line. This sounds crazy, but you can with a turntable (a record player or lazy susan), paper, and pen.

Tired Weight
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Yes, you can weigh your car by figuring out your wheel's tire pressure combined with the "tire's footprint." You'll need someone with a car, driver's license, and safety in mind.

Pi Graph
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In this activity, learners use a straight line to learn about circles. Learners measure and record the diameter and circumference of different sized cylindrical objects on a chart.

Supercooled Water Drops
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In this activity, learners touch supercooled water drops with an ice crystal and trigger the water drops to freeze instantly.

Hollandaise Sauce: Emulsion at Work
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In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix.

Soap-Film Interference Model: Get on our wavelength!
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By making models of light waves with paper, learners can understand why different colors appear in bubbles.

Straw Oboe: Two lips make sound
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Oboes's unique sound originates from the two small reeds a musician blows into. Make your own double reed instrument out of straw!

Memory Solitaire
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In this online game, learners practice memory recall. They are shown a collage of pictures for two minutes, then have to write down everything they remember and check how they did.

Running in Circles
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In this group activity, learners use some common objects and work together to simulate the Coriolis effect. During the challenge, learners make predictions and test different scenarios.

Look Into Infinity
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Learners use two mirrors to explore how images of images of images can repeat forever.