The 12th lesson in a series of 20 opens with a demonstration of exponential functions using pasta. This concept is connected to the Richter Scale, which is also an exponential function. Scholars compare the exponential scale that...

Shake up your lessons with with a radical resource. Scholars use a slider to view the Richter scale magnitude and amplitude of historical earthquakes. They use powers of 10 to compare the amplitudes of different earthquakes.

The final lesson in the 20-part series is a post assessment covering earthquakes and volcanoes. Twenty-three questions incorporate each of the previous lessons through multiple choice, justified multiple choice, expanded multiple choice,...

[Free Registration/Login Required] Explore this interactive to see which earthquakes had the largest magnitude on the Richter Scale, then answer a challenge question.

A video and a short multiple-choice quiz on earthquakes, how they form, how they are measured, and the ways they can change the surface of the Earth.