This teacher's guide with exercises is intended to help teach the topics of radioactive decay and its use to determine age. It identifies four main concepts that students are likely to struggle with: spontaneity...

This web site is an online exhibit about Marie Curie, the discoverer of the radioactive elements polonium and radium and the first person to win two Nobel prizes. The exhibit provides an interactive account of Marie...

This resource, created by Michael W. Davidson of Molecular Expressions, is a series of "Powers of Ten" is sequentially displayed, beginning with a square covering 10^23 m on a side and progressing through 10^-16 m on a...

This lesson provides an overview of basic atomic structure and the concept of radioactive decay. Topics include the particles that make up an atom, binding forces, and the concept of isotopes. There is also discussion of...

This lesson presents a comparison of the outlook for energy independence between the United States and France. Topics include the average per capita energy usage between the two countries, differences in types of energy...