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Separating with Chromatography
Source Institutions
In this experiment, learners separate different types of molecules in marker inks (using a technique called "thin layer chromatography").
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Bark Beetle Infestation Investigation: Estimation and Pheromones
Source Institutions
This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-840.png?itok=TZB_kyof)
Mixing and Unmixing in the Kitchen
Source Institutions
In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-838.png?itok=UjNkfOMo)
Light is Made of Colors
Source Institutions
Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-835.jpg?itok=mqg7XmQk)
Breaking Up with Combustion
Source Institutions
This activity teaches combustion as the interaction of a fuel source and oxygen.