Search Results
Showing results 1 to 12 of 12
![](/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-000-000-001-068.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-000-000-001-002.gif?itok=H9njPW-a)
Natural Buffers
Source Institutions
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.
![](/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-000-000-001-940.jpg?itok=oJtz0wJN)
Good Vibrations
Source Institutions
In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.
![](/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-000-000-000-891.gif?itok=jta6U-yN)
Foam Peanuts
Source Institutions
Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water.
![](/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-000-000-000-726.jpg?itok=MuMnAB2R)
Heavy Metal
Source Institutions
In this activity (on pages 25-31 of PDF), learners soak sponges with different amounts of plaster of paris to simulate different levels of calcification in bone formation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-732.jpg?itok=zz-17kJq)
Good Vibrations
Source Institutions
This lesson (on pages 15-24 of PDF) explores how sound is caused by vibrating objects. It explains that we hear by feeling vibrations passing through the air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-000.gif?itok=QpDpG7O6)
Starch Breakdown
Source Institutions
Learners use Benedict’s solution and heat to test for the presence of simple sugars in glucose, sucrose, starch, and starch combined with amylase.