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 more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Science kits are a great way to get kids curious about our world and beyond. After all, these kits have ...

Science and Children is an award-winning, peer-reviewed, practitioners' journal for grade PreK–5 teachers, university faculty responsible for teacher preparation, and state and district science ...