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Rubberband Rollback
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In this activity about potential and kinetic energy, learners get to roll a can across the floor and then watch it roll back to them as if by magic. This activity is always great for looks of...
$1 - $5 per student Ages 11 - 14 10 to 30 minutes
Separating a Mixture
Perkins School for the Blind
This activity was designed for blind learners, but all types of learners can explore means of physically separating a mixture using dissolving, filtration, and evaporation. Separating a sand/salt...
$1 - $5 per group Ages 11 - 18 10 to 30 minutes
The Decayed Pumpkin
In this "Sid the Science Kid" activity, learners explore the effects of decay by comparing and contrasting something (an old pumpkin) that's decayed with the same thing before it...
$10 - $20 per group Ages 4 - 6 10 to 30 minutes
Wheat Evolution: Sedimentation Testing
Biotechnology and Biological Sciences Research Council
In this activity (p.8-9 of PDF), learners investigate the evolution of wheat by conducting sedimentation tests on different flours. The evolution of wheat from wild grasses demonstrates the...
$5 - $10 per group Ages 8 - adult 10 to 30 minutes
A Dissolving Challenge
In this activity, learners add objects and substances to carbonated water to discover that added objects increase the rate at which dissolved gas comes out of solution. Learners are then challenged...
$1 - $5 per group Ages 8 - 14 10 to 30 minutes
Oily Ice
Community Science Workshop Network
In this activity, learners experiment with the density of ice, water, and oil. Learners will discover that the density of a liquid determines whether it will float above or sink below another...
$1 - $5 per student Ages 6 - 11 10 to 30 minutes
Sensory Hi-Lo Hunt
Lawrence Hall of Science
In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture. Learners also...
In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique. Learners collect their fingerprints using pencil and tape and...
1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
Lotus Leaf Effect
NISE Network
This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups. Learners discover that lotus leaves are self cleaning...
What is a "Convection Cell"?
In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate. This demonstration helps learners...
$5 - $10 per student Ages 8 - 14 5 to 10 minutes
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