Students examine the mechanical advantage of pulleys.  In this pulleys lesson students are given a challenge to help save a whale by setting up different pulleys systems to move it. 

Students discover what simple machines are and identify a gear, a pulley, and a lever. In teams, they build at least two models each of simple machines and challenge them with specific instruction cards. Finally, students present and...

Students make a simple machine. In this physics lesson, students learn about six types of simple machines and the purpose of each and brainstorm examples of simple and complex machines in the classroom. Students create a simple or...