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Showing results 61 to 80 of 142
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Disappearing Glass Rods
Source Institutions
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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Giant Lens
Source Institutions
In this activity about light and refraction, learners discover how a lens creates an image that hangs in midair.
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Macro-Microarray
Source Institutions
In this activity, learners explore the "nuts and bolts" of gene chips.
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Three Circles of Pigments
Source Institutions
In this activity, learners overlap the three primary colors to see how all other colors are made.
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Color Contrast
Source Institutions
Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.
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Proprioception: Wiggle where you're at
Source Institutions
We're told from a young age that we have 5 senses, but we have many more. One of which is our awareness of our own body part's orientation and position.
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Bone Stress
Source Institutions
In this optics activity, learners examine how polarized light can reveal stress patterns in clear plastic.
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Bacteriopolis
Source Institutions
In this long-term activity, learners make a home for a colorful community of microorganisms.
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Gummy Growth
Source Institutions
In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.
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Phantom Phlame
Source Institutions
In this trick, hold your hand over a burning candle without getting burned, by reflecting and transmitting the light of two candles. This activity is best suited as a demonstration.
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Personal Time Line
Source Institutions
In this activity, learners work in groups to create a time line representing significant moments in their lives.
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Stereo Sound
Source Institutions
We listen to stereo music systems, tv's, and radios because it simulates being where the sound originates.
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Anti-Gravity Mirror
Source Institutions
In this demonstration, amaze learners by performing simple tricks using mirrors. These tricks take advantage of how a mirror can reflect your right side so it appears to be your left side.
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Afterimage
Source Institutions
In this activity about light and perception, learners discover how a flash of light can create a lingering image called an "afterimage" on the retina of the eye.
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Squirming Palm
Source Institutions
Known as the waterfall effect, this activity demonstrates adaptation in our visual system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-694.jpg?itok=KlLjKza_)
Pipes of Pan
Source Institutions
Create an instrument that you don't play--you just listen to it through tubes of various lengths.
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Color Table: Color your perception
Source Institutions
Look at pictures through different color filters and you'll see them in a new way. People have used color filters in beautiful photography or sending secret messages.
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Michelle O (formerly Vanna)
Source Institutions
We don't normally view people upside down and so our brains aren't accustomed to it.
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Radiohead
Source Institutions
When you teeth clatter, they make quite the racket disproportionately to how much they actually sound to someone else.
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Personal Pinhole Theater
Source Institutions
Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!