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Showing results 1001 to 1020 of 1372
History of Electricity
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This is a series of demonstrations about different electrical and magnetic phenomena.
Canjo
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In this activity, learners explore sound by constructing their very own banjo out of a coffee can. Learners experiment with the canjo to change the instrument's pitch and timbre.
Catapult
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In this activity, learners build mini catapults using paint paddles and a spoon. Use this activity to introduce learners to forces and projectile motion.
Hail Storm House
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In this activity, learners construct hail-proof houses using recycled materials to discuss storm readiness and safety.
The Parachuting Egg
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In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.
Potato Power
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Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.
Plankton Races
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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.
Design and Build a Better Candy Bag
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In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy.
Modeling the Night Sky
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In this two-part activity, learners explore the Earth and Sun's positions in relation to the constellations of the ecliptic with a small model.
Slide Rules
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Learners make their own simple slide rules out of paper and learn how they work.
Column Chromatography
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In this activity, learners separate the components of Gatorade using a home-made affinity column.
Ships Ahoy!
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Design a vessel that tests the limits of wind power given a set of off the shelf and recycled materials.
CD Air Puck
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In this activity, learners will use a compact disc to build an air puck that can glide across a smooth tabletop. The puck glides with almost no friction on a cushion of air escaping from a balloon.
Size and Distance
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In this activity about depth perception, learners create an optical illusion in a shoe box.
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.
Gumdrop Chains and Shrinky Necklaces
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In this activity, learners thread gumdrops together to make a model of a polymer.
Don't Be Nerve-ous
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In this activity, learners discover a brain process called habituation.
Harvesting Chemicals from a Battery
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In this activity, learners take apart a used zinc-carbon dry cell battery.
Chemistry Is Colorful
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In "Chemistry is Colorful" learners explore different materials through paper chromatography.
Getting Your Bearings
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In this activity, learners explore the concept of friction and how ball bearings reduce friction.