Responders are from many places in the U.S. and even from overseas.

Question 1. In 1935 an American geologist developed a scale of measurement for earthquakes. In this scale an earthquake of level 5.0 for example, is ten times bigger than one of 4.0. And so of course, a level 6.0 earthquake is ten times bigger than a 5.0
What is the name of this scale of measurement?

Question 2. What is the name of the measurement used for wavelengths of light? (Hint: it begins with A)

Question 3. The Monarch butterfly is famous for its seasonal migrations.
How far, on average, does a monarch butterfly migrate in one day? [Reference]

Back to the list of Challenges ... Next Challenge

Send feedback to
Explorit Science Center
P.O. Box 1288, Davis, CA 95617, USA
Phone: (530)756-0191     Fax: (530)756-1227