Search Results


Showing results 1 to 20 of 24

Add to list Details
Learners mix a solution containing luminol and copper with a fake blood solution. A chemical reaction between the luminol solution and fake blood (hydrogen peroxide) show learners a blue glow.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle.

$1 - $5 per group Ages 4 - adult Under 5 minutes
Add to list Details
In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated.

$1 - $5 per group Ages 14 - adult 10 to 30 minutes
Add to list Details
This quick demonstration (on page 11 of PDF) allows learners to understand why scientists think water ice could remain frozen in always-dark craters at the poles of the Moon.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
Add to list Details
In this chemistry activity, learners fill two test tubes with a solution of "artificial stomach fluid," consisting of hydrochloric acid in the same concentration as in human stomachs, some soap to cre

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
Add to list Details
Learners use a universal indicator to test the amount of sodium hydroxide needed to change the pH of plain water compared with the amount needed to change the pH of gelatin.

$1 - $5 per group Ages 14 - adult Under 5 minutes
Add to list Details
Learners use a mortar and pestle to extract clove oil from cloves using denatured alcohol. They put this oil on paper, which they can take home.

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
Add to list Details
Learners investigate a pre-constructed mystery tube to determine its interior mechanism.

$1 - $5 per student Ages 11 - adult 30 to 45 minutes
Add to list Details
In this investigation of reaction kinetics, learners alter the amount of iodate solution mixed with the same amount of starch solution.

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
Add to list Details
In this chemistry demonstration, acid rain is simulated in a petri dish.

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
Add to list Details
Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
Add to list Details
Learners test solutions of water, sugar, salt, and hydrochloric acid for electrical conductivity. They immerse leads from a lighting device (a battery pack connected to an LED) into each solution.

$1 - $5 per group Ages 14 - adult Under 5 minutes
Source Institutions
Add to list Details
Break open that used musical toy and squish some Play-Doh over the circuit boards, and you will hear some weird and distorted sounds the manufacturer never intended!

$1 - $5 per student Ages 4 - adult 45 to 60 minutes
Add to list Details
Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.

$1 - $5 per group Ages 11 - adult 30 to 45 minutes
Add to list Details
In this activity, learners perform a simulated blood test procedure.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this physics demonstration, learners are challenged to insert a straw the furthest into a potato.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
Source Institutions
Add to list Details
This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.

$1 - $5 per group Ages 6 - adult Under 5 minutes
Source Institutions
Add to list Details
This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
Add to list Details
Learners write their initials by applying different clear "magic ink" solutions to separate pieces of paper and then "develop" the inks with other clear solutions.

$1 - $5 per group Ages 14 - adult Under 5 minutes
Source Institutions
Add to list Details
Using recycled materials, learners will design a transportation vehicle to carry an egg in an egg toss (a rudimentary model of a shock absorbent transport vessel).

$1 - $5 per group Ages 8 - adult 1 to 2 hours