2. This clip can begin a discussion on glacial periods and the effects of the glaciers on the environment. The students can do research on the development of Hueston Woods State Park in Oxford, OH, or Glacier National Park, MT.
3. This clip can be used to start a discussion of the theories on global warming and melting of the polar ice caps. Students can discuss what effects the melting ice sheets will have on the overall environment. Students can discuss what is causing global warming and what can be/is being done to slow these effects.
4. Follow the lesson plan from Science Netlinks for The Rise and Fall of Mammoths: (http://www.sciencenetlinks.com/
lessons.cfm?BenchmarkID=5&DocID=287) where students will use the internet to research the evolution and extinction of Mammoths.