1. Gamma Rays Ben Janssen Tim Jacobson

2. Discovery Paul Villard 1900-shortly after x-rays

3. History Ernest Rutherford

4. Properties Frequency Wavelength Speed Energy

5. Production How Gamma Rays are made

6. Uses Medicine Industry Consumer Goods Science

7. Uses of Cesium 137 to produce Gamma Rays Used as a treatment of cancer Controls many the flow of many liquids and also measures them To examine oil wells examine oil wells To sample soil density on the job And to make sure that food and packages at stores are full.

8. Uses of Cobalt 60 to produce Gamma Rays Used sterilize medical equipment To pasteurize foods and spices This also treats cancer And used to measure the gauge of metal and steel in construction agencies

9. Dangers Skin Cancer Precautions