Simple machines make work easier to do. But how? Join Joan at the Discovery Center of Idaho as she tries various experiments with simple machines. Science Trek is available to stream on pbs.org and ...
Find out how simple machines impact your daily life on this Science Trek: The Web Show. In this Science Trek: The Web Show, Host Joan Cartan-Hansen and her guest scientists John Gardner, Boise State ...
If you have a young child, and that young child enjoys machines and vehicles, you may find your home filling up with toy cars and airplanes and motorcycles and cement mixers of every size from “lies ...
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