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Showing results 1 to 20 of 38
Trading Places: Redox Reactions
Source Institutions
Visitors add drops of copper sulfate solution onto a steel nail. They observe the nail change color from silver to brown as the copper plates onto the nail.
The Jelly Bean Challenge
Source Institutions
In this activity, learners explore how their sense of smell affects their taste buds. Learners taste different flavored jelly beans while holding their nose.
Currently Working: Testing Conductivity
Source Institutions
Visitors test solutions of water, sugar, salt, and hydrochloric acid and the solids salt and sugar. They clip leads from the hand generator to wires immersed in each substance.
Forwards and Backwards: pH and Indicators
Source Institutions
Visitors prepare six solutions combining vinegar and ammonia that range incrementally from acid (all vinegar) to base (all ammonia).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-358.png?itok=jm9kD5Hs)
Slap Shot
Source Institutions
How quick are your reflexes? In this online game, you are a hockey goalie defending quick slap shots. Learn about reaction time, muscle memory, and reflexes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-446.jpg?itok=tNcvtVqR)
Blind Spot
Source Institutions
In this activity, learners conduct a simple test to find their blind spot.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-731.jpg?itok=JGL3y5fp)
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-675.jpg?itok=PQKJLff5)
Hole in Your Hand
Source Institutions
Create an illusion where it appears that your hand has a hole in it. You'll see the results from when one eye gets conflicting information.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-715.jpg?itok=6o2iTUes)
Your Sense of Taste: Discover the real taste of candy
Source Institutions
Your tongue can sense about 6 different flavors (salty, sweet, bitter, sour, umami/savory, and fat), but your nose provides a lot more "taste" information than you realize when you eat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-664.jpg?itok=pOsrrN1g)
Depth Spinner
Source Institutions
Experience a spinning spiral...you won't be hypnotized, but you'll see what happens when you look away. It's like getting off a merry-go-round and everything keeps moving.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-582.jpg?itok=TLHfCbIJ)
Root Beer Float
Source Institutions
In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.
Yeast Balloons
Source Institutions
Visitors observe a bottle with a balloon attached around the mouth. The bottle contains a solution of yeast, sugar, and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-677.jpg?itok=fMtqTZpe)
Assemble the Human Heart
Source Institutions
In this online activity about anatomy, learners will drag and drop pieces of the heart into their proper positions and explore what function each part of the heart has.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-513.jpg?itok=jeXuXg4C)
Experiencing Parallax With Your Thumb
Source Institutions
In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-679.jpg?itok=xCkqqyg3)
Lateral Inhibition
Source Institutions
Which one of your eyes are dominant? Do they act independently or are they equally "in control?" This activity explores how your eyes work (or don't work) together.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-695.jpg?itok=vm-BeS-G)
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-349.jpg?itok=PVhwtrUk)
X-Ray Vision?
Source Institutions
In this activity (13th on the page), learners complete a simple illusion trick to see through their own hand.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-708.jpg?itok=r5ypFXZl)
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-000-000-002-612.gif?itok=7y0IEX0t)
Afterimage
Source Institutions
In this activity about vision and optical illusions, learners conduct a simple test to demonstrate how our eyes create "afterimages." Learners stare at a black cardboard bat for at least 30 seconds an
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-683.jpg?itok=jbgDVR_D)
Michelle O (formerly Vanna)
Source Institutions
We don't normally view people upside down and so our brains aren't accustomed to it.