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Showing results 21 to 39 of 39
   
Lager Lamp
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  In this demonstration, adult learners create a lava lamp using beer and nuts! Use this pub-themed activity to demonstrate the effects of buoyancy and bubbles.
   
Resistance is Useful
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  Learners write or draw with white crayon on white paper. They look and feel to detect their marks on the paper. Then, learners paint over their paper with watercolor paint.
   
Michelle O (formerly Vanna)
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  We don't normally view people upside down and so our brains aren't accustomed to it.
   
Circles or Ovals?
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  This science activity demonstrates the dominant eye phenomena. What does your brain do when it sees two images that conflict?
   
Momentos de Mixing in Math: Varias Actividades Matemáticas de 5 ó 10 Minutos
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  Los Momentos de Mixing in Math son actividades de 5 a 10 minutos que mantienen a los chicos ocupados, aprendiendo sobre el mundo, y usando matemáticas por su cuenta.
   
Stereo Sound
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  We listen to stereo music systems, tv's, and radios because it simulates being where the sound originates.
   
Static Electricity
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  In this quick activity, learners explore static electricity using a plastic comb, wool cloth, puffed rice, and a plastic bag.
   
Anti-Sound Spring
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  What happens when two wave pulses meet in the middle? Send waves down a spring to watch them travel and interact.
   
Take Out the Trash
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  Learners explore how recyclers take advantage of the different properties of materials, such as magnetism and density, to separate them from a mixture.
   
Cheshire Cat
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  Can you deceive your eyes? When your eyes work normally, you see a nice 3 dimensional picture, but what happens when each eye sees something different?
   
Overlapping Spots: Make a bright spot brighter
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  This perception trick focuses on conflicting information to the brain...instead of trying to see two images, you're trying to get a bright spot by overlapping the image you see through two tubes.
   
Balancing Ball: Suspend a ball in a stream of air
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  Balance a ball in the air with a hair dryer! This Exploratorium produced activity shows learners concepts like lift and air streams. You can try many different angles, speeds, and ball types.
   
See the Light
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  Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.
   
Hole in Your Hand
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  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.
   
Center of Gravity
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  A simple, yet fun activity that lets learners find the center of balance of a ruler (or any long thin object). Developed by the Exploratorium and no assembly needed.
   
Exploring the Solar System: Solar Eclipse
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  Exploring the Solar System: Solar Eclipse” is a hands-on activity demonstrating how the particular alignment of the Sun, Earth, and Moon can cause an eclipse.
   
Depth Perception
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  In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.
   
Jump to It!
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  This is a quick and simple demonstration about reflexes (second activity on the page).
   
Root Beer Float
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  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.
  