Search Results
Showing results 1 to 20 of 21
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-008.gif?itok=yKam9MlT)
Luminol Test
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-752.jpg?itok=FwCc9xrF)
DNA the Easy Way
Source Institutions
This demonstration can be used to help learners visualize DNA by lysing (breaking open) bacterial cells on a slide and “stringing up” the DNA with a toothpick in less than one minute.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-595.png?itok=APN6aP0C)
Do Cities Affect the Weather?
Source Institutions
In this activity, learners explore clouds and how they form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-482.gif?itok=YW6_--D3)
Phase Changes
Source Institutions
Learners observe a sealed test tube containing a small amount of solid stearic acid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-068.jpg?itok=3s8tIA7x)
As The Stomach Churns
Source Institutions
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
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-498.jpg?itok=-jB6VW9m)
Rate of Solution Demonstration
Source Institutions
In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-003.gif?itok=kTZ6De_9)
Common Scents
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-506.jpg?itok=qz7lav4A)
Floating Candles
Source Institutions
In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-831.jpg?itok=rSLuIoOY)
Concentrate!
Source Institutions
In this investigation of reaction kinetics, learners alter the amount of iodate solution mixed with the same amount of starch solution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-075.jpg?itok=qHpoZumQ)
Acid Rain
Source Institutions
In this chemistry demonstration, acid rain is simulated in a petri dish.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-305.gif?itok=zwBhjHPs)
Potato Power
Source Institutions
Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-074.jpg?itok=B5qrIWTH)
Rock Bottoms
Source Institutions
Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-599.png?itok=aHowFXxi)
Does Air Weigh Anything?
Source Institutions
The demonstration/experiment provides quick proof that air has mass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-918.jpg?itok=MOo35k2W)
Balloon in a Bottle
Source Institutions
In this physics activity (page 3 of the PDF), learners will see firsthand that air takes up space and has pressure by attempting to inflate a balloon inside of a bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-077.jpg?itok=ue7YBP_N)
Burning Issues
Source Institutions
Learners use a candle to investigate the products of combustion. When a glass rod is held over a lit candle, the candle flame deposits carbon on the rod.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-592.gif?itok=BSxF4lpY)
What is a “Convection Cell”?
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-069.png?itok=K_CgHELC)
What's Your Blood Type?
Source Institutions
In this activity, learners perform a simulated blood test procedure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-496.gif?itok=SXhC4Vfj)
Daffy Density
Source Institutions
In this chemistry activity, learners explore density by using four solids and 6 liquids to create colorful, layered rows.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-093.gif?itok=M-8h0YN1)
Make Your Own Deep-Sea Vent
Source Institutions
In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-489.jpg?itok=M3P9BX8D)
Witches' Potion Demonstration
Source Institutions
In this chemistry demonstration, learners will discover that phenolphthalein is an acid/base indicator. One learner will read a poem about four witches making a potion.