Search Results
Showing results 1 to 4 of 4
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-778.jpg?itok=ays5VRr-)
Clean Water: Is It Drinkable?
Source Institutions
In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-738.jpg?itok=KOXGtqtr)
Exploring the Universe: Filtered Light
Source Institutions
"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-973.jpg?itok=V2wRiuFc)
Filtration Investigation
Source Institutions
In this activity, learners explore how engineering has developed various means to remove impurities from water.
![](/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.