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Gravity-Defying Water
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In this activity, learners explore gravity and air pressure as they experiment with holding a glass full of water upside down, without spilling it, using a simple piece of cardstock.
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A Mole of Gas
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In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.
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Size and Distance
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In this activity about depth perception, learners create an optical illusion in a shoe box.
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Disappearing Glass Rods
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In this optics activity, learners discover how they can make glass objects "disappear." Learners submerge glass objects like stirring rods into a beaker of Wesson™ oil to explore how the principles of
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Gumdrop Chains and Shrinky Necklaces
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In this activity, learners thread gumdrops together to make a model of a polymer.
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Don't Be Nerve-ous
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In this activity, learners discover a brain process called habituation.
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Race Around the Black Hole
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In this game, learners cutout a model black hole "cone" and attempt to roll around a marble or other small spherical object without touching the event horizon.
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Using Tools and Melting Ice
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In this activity, learners will experiment with different materials that can melt and change ice.
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Chemistry Is Colorful
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In "Chemistry is Colorful" learners explore different materials through paper chromatography.
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Catapult
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In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.
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Fish Wheels
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In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to sur
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Chain Reaction II
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In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.
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Test Density with a Supersaturated Solution
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Learners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle.
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By the Numbers
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Learners describe objects in a room using only numbers and shapes. They can measure the object (like a desk) and make a list of facts about it (e.g.
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Power Up!
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In this online game, learners must purchase power plants for their city.
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Under Pressure
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In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.
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Family Scavenger Hunt
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In this activity, learners will take a walk with their family and incorporate a scavenger hunt. They will explore topics like ABC’s, numbers, colors, and shapes as they search for related items.
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Hanford at the Half-Life Radiation Calculator
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This quiz lets you estimate your annual radiation exposure.
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Constellation Chamber
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Learners build 3D representations of constellations, which show not just the position of the stars as seen from Earth but also their relative distance from Earth.
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Block Bowling
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In this activity learners will build structures out of blocks and then roll balls to try to knock them down.