Search Results
Showing results 1 to 1 of 1
![](/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.