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Showing results 1 to 6 of 6
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Fireworks!
Source Institutions
In this chemistry lab activity, learners model the colors of fireworks by burning metallic solutions in a flame and observing the different colors produced.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-113.jpg?itok=kg6w43mG)
Washing Air
Learners observe and discuss a simple model of a wet scrubber, a device for cleaning industrial air pollution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-073.jpg?itok=tW8PeYeq)
A Merry-Go-Round for Dirty Air
Learners build a model of a pollution control device--a cyclone. A cyclone works by whirling the polluted air in a circle and accumulating particles on the edges of the container.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-825.png?itok=aCshT2wN)
Shrinkers
Source Institutions
In this hands-on activity, learners use heat to shrink samples of polystyrene plastic (#6 recycle code). Learners compare the size and shape of the plastic pieces before and after shrinking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-169.jpg?itok=gFz5G0N2)
Cleaning Air with Balloons
Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-114.jpg?itok=xk--G1r8)
Let's Bag It
Learners observe and discuss a vacuum cleaner as a model of a baghouse, a device used in cleaning industrial air pollution.