After years of STEM activities, including towers, bridges, race cars, and rockets, one my favorites is the classic catapult challenge! I believe it incorporates all aspects of a quality STEM activity: easy math connection, engineering design process, stud
This is a great experiment to show different densities of liquids. Have students record their predictions then watch as students create a rainbow in a glass. Liquids with higher densities will sink to the bottom while lighter liquids will go to the top.