A comprehensive instructional activity on acceleration awaits your physicists and engineers! Two YouTube videos pique their interest, then sample F=ma problems are worked and graphed. The highlight of the instructional activity is the...

Ninth graders build an "Earthquake Machine" (a manipulative model of a fault line) and use it to explore stick-slip behavior of some faults and to develop a more accurate definition of an earthquake and its causes.

Ninth graders create a model of a city street with various sizes of buildings on it. They use the model to demonstrate the effect of building oscillation during varying degrees of seismic activity.