Shake things up in your STEM or earth science classroom when you have small groups construct their own seismographs. A reading assignment on the history of seismographs, the Richter scale, and current technology sets the stage for the...

Examine earthquake intensities and ways to measure an earthquake through the comparison of the Mercalli and Richter scales. After completing the pre-lab worksheet, fourth graders compare high and low intensity quakes by testing...