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Showing results 1 to 20 of 49
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Soap Bubble Shapes
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Learners explore three-dimensional geometric frames including cubes and tetrahedrons, as they create bubble wands with pipe cleaners and drinking straws.
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Better Hair Through Chemistry
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In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity.
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Separation Anxiety
Source Institutions
In this activity, learners discover the primary physical properties used to separate pure substances from mixtures.
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Ocean Acidification in a Cup
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Ocean acidification is a problem that humans will have to deal with as we release more and more carbon dioxide into the atmosphere.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-052.png?itok=MxZGObu_)
Film Canister Farming
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In this hands-on botany activity, learners sprout vegetables in film canisters.
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Seeing Your Retina
Source Institutions
In this quick optics activity, learners use a dim point of light (a disassembled Mini MagLite and dowel set-up) to cast a shadow of the blood supply in their retina onto the retina itself.
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Aluminum-Air Battery: Foiled again!
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Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.
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Cup Speaker
Source Institutions
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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Soap Film on a Can
Source Institutions
The beautiful iridescent colors of a bubble in a can! With this Exploratorium Science Snack, create beautiful soap films on the open end of a can to see beautiful rainbows of color.
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Make a Speaker: A Coil, a Magnet, and Thou
Source Institutions
Make your own simple speaker so you can listen to your favorite radio station. Just wind a coil, attach it to a piece of cardboard or Styrofoam, hold a magnet nearby, and listen.
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Vegetable Revival
Source Institutions
In this activity, learners use food scraps from the kitchen to grow new vegetables.
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Glowing Pickle
Source Institutions
In this activity, high voltage is applied across a pickle to emit a yellow glow. This activity should only be conducted by skilled adults and is best suited as a demonstration.
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Up Periscope!
Source Institutions
This activity provides instructions for building a mirrored tube--a smaller and simpler version of a submarine's periscope--that lets you see around corners and over walls.
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Height Sight
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In this activity, learners build a tool called an inclinometer that can find the height of any distant object, from a tree to the North Star.
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How to View a Solar Eclipse
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This is an activity to do when there is a solar eclipse!
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Pie-Pan Convection
Source Institutions
It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food coloring.
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Paper Bridges
Source Institutions
In this activity, learners build bridges using paper and explore how much weight each bridge design can support.
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Straws and Pins
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In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.
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Persistence of Vision
Source Institutions
If you had a long tube with a 5 millimeter wide slit, would you see the entire Golden Gate Bridge?
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Fantastic Four: A Math Card Game
Source Institutions
This is a game that is sure to sharpen players' basic math skills. Players must use four randomly selected numbers to create an equation that equals a fifth number.