The president was walking through a locker room at the University of Texas when White House Trip Director Marvin Nicholson stopped to weigh himself on a scale. Unbeknownst to him, Obama was stepping on the back of the scale
6 stations of activities to introduce or help students understand Newton's law, friction and inertia. Simple materials are needed and about 15 minutes of prep-work before the activity are needed. Student data sheet and expected results are included.