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Showing results 81 to 92 of 92
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Shrinking Coin
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In this demonstration, learners attempt to get a large coin through a small hole, the size of a smaller coin.
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Egg-stra Strength
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In this physics activity, learners will investigate the strength of egg shells.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.
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How the Mushroom Got Its Spots
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In this activity (p.26 of PDF), learners discover why mushrooms have spots. Learners use a balloon, toilet paper, and water to simulate what happens as mushrooms grow.
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Do Sweat It!
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In this activity, learners explore why humans sweat. Learners compare the effects of heat on a balloon filled with air and a balloon filled water.
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Squeeze the Stream
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In this activity related to flight, learners build a tiny stream channel to investigate how fluids (air and water) change speed as they flow between and around objects.
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Four of the States of Matter
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This kinesthetic science demonstration introduces learners to four states of matter: solid, liquid, gas, and plasma.
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Electroplating
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In this activity, learners electrically plate zinc onto brass objects.
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Water on the Move: Wind and Waves
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In this simple activity, learners explore ocean waves. To find out if water moves forward toward the shore, learners create waves in a simulated ocean (small aquarium tank of water).
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Cutting it Down to Nano
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This simple activity uses paper and scissors to convey two key concepts to learners: the nanoscale is very small and working on the nanoscale requires special tools.
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Center of Gravity
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A simple, yet fun activity that lets learners find the center of balance of a ruler (or any long thin object). Developed by the Exploratorium and no assembly needed.
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Balloon Rocket
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Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.