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Showing results 41 to 49 of 49
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Inverse Square Law
Source Institutions
In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.
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Polarized Sunglasses
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In this activity, learners explore how polarizing sunglasses can help diminish road glare.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-174.jpg?itok=arOa2Rrl)
Making Naked Eggs: Eggs Without Shells
Source Institutions
This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-449.jpg?itok=6yHFlt_u)
On the Fringe (formerly Bridge Light)
Source Institutions
In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.
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Whirling Watcher: Make a Stroboscope
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In this activity, learners make a stroboscope--a spinning disk with slits around the edge that you look through.
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Hand Battery
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In this activity about chemistry and electricity, learners form a battery by placing their hands onto plates of different metals.
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Pixel Tube
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In this STEAM activity, learners create a "pixel tube" to explore reflections of light and color mixing.
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Oil Spot Photometer
Source Institutions
In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-763.jpg?itok=bqzFEdLO)
Benham's Disk
Source Institutions
In this optics activity, learners discover that when they rotate a special black and white pattern called a Benham's Disk, it produces the illusion of colored rings.