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Showing results 41 to 60 of 348
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Make a Prism
Source Institutions
In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.
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Inkjet Printer
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In this activity, learners investigate how inkjet printers produce tiny, precise drops of ink.
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Exploring Materials: Thin Films
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.
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Wild Sourdough
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In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.
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Whose Fault Is It?
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In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.
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Jem's Pykrete Challenge
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In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.
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Introduction to the New Chain Gang
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In this activity, learners use pop-beads to understand the characteristics and properties of polymer chains.
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Bounce vs. Thud Balls
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Learners compare the properties of two balls that appear identical. One ball bounces, while the other ball "thuds." The “bounce” ball is made of the polymer polybutadiene (-C4H4-).
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Fireworks!
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In this chemistry lab activity, learners model the colors of fireworks by burning metallic solutions in a flame and observing the different colors produced.
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Cool Hot Rod
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If you have access to a copper metal tube, this activity does a great job demonstrating what happens to matter when it's heated or cooled. This activity requires some lab equipment.
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Snow Day!
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In this activity (on pages 4-5), learners make fake snow by adding water to the super-absorbant chemical from diapers, sodium polyacrylate.
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Rubber Band Thermodynamics
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In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated.
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Forgotten Genius
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This series of chemistry stations is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Each of the six stations features either a chemical or p
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What Smart Metal!
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In this activity (pages 3-4), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
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Cup Speaker
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Make your own speaker with a magnet, wire, and paper cup! If you have a radio with a headphone plug and an old pair of headphones, this is a great tinkering activity.
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Transformation of E. coli Using Green Fluorescent Protein
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In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.
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Rocket Reactions
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The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.
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Sound Dampeners
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In this activity, learners will experiment with water- and air-filled balloons as a way of dampening sound before it reaches their ears.
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Salts & Solubility
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In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.
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Lava Lamps
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Learners observe working lava lamps to understand how they work (included in PDF link).