https://www.michiganlearning.org/wp-content/uploads/2022/01/DIY-Science-Time-10-Friction.pdfMister C and the Science Crew build hovercrafts to explore friction.
Animals are masters of building homes that fit in with the natural environment. We humans can learn a lot from them! Visit a green building in Ann Arbor and look for environmentally friendly features in the buildings you see every day.