by Kim A. Howe, M.S.
Experiment with the six simple machines. Identify examples and uses of simple machines in your home and community. Understand that the simple machines combine to form complex machines and inventions. Solve real-life problems using simple machines that do work.
This online unit can be used independently, but it is also designed to be used concurrently with the literature unit for Mrs. Frisby and the Rats of NIMH.