Website
Other

Adfc Allgemeiner Deutscher Fahrrad Club E. V.: Bicycling

For Students 9th - 10th
Site in German. The German Cycling Club offers much information in German about cycling in Germany, including tours, routes, brochures, and links to cycling clubs, tours, and equipment.
Handout
Other

Rathaus: Measuring Radiation

For Students 9th - 10th
Guides the reader through the origins of some of the units of radiactivity measurement, including the curie, the rad, and the becquerel.
Website
Idaho State University

Idaho State University: Radiation Measurement

For Students 9th - 10th
A brief introduction to units of radiation measurement.