24 Simple Machines projects for kids - so many clever, fun, and unique science experiments to explore simple machines for classroom, science project, and homeschool for kindergarten, first grade, second grade, third grade, fourth grade, and fifth grade. P
March Madness Basketball STEM: This is a great STEM challenge for March. Younger students design and build a basketball shooter to launch a ping pong ball into a trash can, bucket, or cup. Older students design and build a basketball shooter as well as a basketball goal to shoot the ping pong ball into.