Can you make an elevator out of a spool of thread, some string and a hanger? Your friends might think it is magic, but it’s science at work! Here’s an easy experiement that has its ups and downs! 1.

Find out more about the inclined plane, the pulley and the screw. Find out more about three of the six simple machines: the inclined plane, the pulley and the screw. These simple machines make work ...

From catapults to caterpillar tractors, machines throughout the ages have served man and lightened the workload. Fourth-graders at Hudsonville's Park Elementary School learned just how simple machines ...