Hot Sale 🌟 Physical Geography – Metamorphic Rocks DVD –   ⌛

Discover the wonders of our Earth. Rocks that have been changed by pressure or heat or a combination of both are called metamorphic. Rocks such as slates schists gneisses granite marble and quartzite are explored and the mechanism of change discussed. The Physical Geography series is a series dealing with natural phenomenon such as volcanoes earthquakes caves rocks geysers and glaciers presented by Dr. Laurence J. Jankowski. He is an Associate Professor at Bowling Green State University in Ohio and a member of the National Science Teachers Association and the National Association of Geology Teachers. His prior achievements include the Science Teacher of the Year Award from the Ohio Academy of Science and Outstanding Professor Award from Bowling Green State University.