Introduce your physics or astronomy class to Kepler's laws of planetary motion with this straightforward worksheet. It covers the basic concepts of each and has learners answer questions to demonstrate their grasp on them. You could use...

You would think that humans make up more mass than ants do on this planet, but think again, and this time by performing calculations. Middle schoolers use scientific notation to compute and compare the estimated total mass of all humans...

In this preposition quiz worksheet, students select the preposition that correctly completes a sentence. Students may click on an "answer" button for immediate feedback. A reference web site is given for additional activities.

A worksheet regarding the axis of rotation within each of the planets. PDF