In class, your emerging environmentalists construct dust catchers. They take them home for a week or two, and then bring them back into class to examine under a magnifier. From this activity, they learn what makes up dust and that...

High schoolers collect samples of common dust from their homes and school for examination under a microscope. They identify the components of their samples using the provided "Atlas of Indoor Dust Particles." Pupils take samples form a...

Students examine samples of common dust from their homes and school under a microscope. Students describe their samples including the location from where they were collected, and compare their samples to make hypotheses about their...

Students conduct an inquiry exploring the different kinds of particulate matter in the air. They name three different types of particulate matter found in the air and identify different types of solid particulate matter found in the air...