Search Results
Showing results 1 to 2 of 2
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-563.png?itok=3NINAofp)
Dust Catchers
Source Institutions
In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-427.jpg?itok=yoqbLWIr)
Mold Growth
Source Institutions
In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate.