Are the earth's oceans really just giant batteries, waiting for their energy to be harnessed? Middle school mechanical engineers will be shocked by the amazing amount of energy that forms around them after diving into part four of a...

Students investigate simple machines and their uses in everyday life.  In this scientific method lesson, students examine physical tools such as wedges, screws, and levers using a "how does it work" approach.  Students complete...

Students examine and describe the six main simple machines. In groups, they work with an inclined plane to calculate the ideal and actual mechanical advantages of the plane. Using their results, they must determine the efficiency of the...

Students identify simple machines and how they must work together to form a piece of equipment used in agriculture. They create a diagram of a piece of farm equipment and write about two of the simple machines they drew.