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 ...

imple machines help us change the amount of force or the direction of the force needed to move an object. Find out how by learning more about levers. Major Funding by the Laura Moore Cunningham ...

In this Science Extra from Jiwi's Machines Episode 4, Jiwi attempts to lift a cereal box without touching it, showcasing the principles of simple machines. Through a creative chain reaction, the video ...