Geiger Counter…

I have been planning my last science teaching lesson for tomorrow and decided to use Geiger Counter from Vernier as a model of data collection. it also has a very relevant link to our students today as we all are thinking of the catastrophe in Japan.  Although few people might use it in the elementary science classroom, I want to show it to science teachers. I bought some “No Salt” salt and Brazilian nuts to show different sources of radioactivity. The figure below shows background radiation in my office…

Some interesting links: 1, 2, 3

Radiation background in my office
Radiation background in my office with Vernier Geiger Counter