What's the best way to use a simple machine to solve a real-world problem? Scholars construct their own simple and complex machines to explore the concepts of work and force. They discuss examples of simple machines they have found in...

Students study the three different types of levers and develop a simple machine. In this levers and simple machines lesson, students look at different types of levers, and experiment with a ruler and a marshmallow to determine how they...

Fifth graders read selected pages from their science text and explain forces affected by wheels and axles. They read and discover that gears transfer forces and that gear combinations relate to compound machines.

Eighth graders work in small groups to design and build a snow remover while looking at a snow design brief. They combine 2 or more simple machines to form a compound machine following the design brief in order to meet the required...

Third graders study machines. They watch a video about and identify and chart machines they find at home and at school. They design and build simple and compound machines, create an advertisement for them and attempt to sell them at the...