Fossil Dating and the Geological Timeline. This page contains activities and infomation about dating fossils and placing them in the context of the history of life on Earth. Our earth is hundreds of millions of years old. During its lifetime the earth has been the setting for countless interesting geological and biological events. As a result, it is covered in fossils and relics that tell its life-story. From radioisotopes in rock layers to biological fossils, there are many clues scientists use to understand what happened on Earth and when.
Learning from the Fossil Record
Students have explored how fossils are formed, where fossils are found and the work of paleontologists, but fossils are more than just fun to look at in class. Fossils provide us with clues about the prehistoric past if we know what to look for, and how to read them, when we examine them. In this lesson students find out what stories of the past can be found using fossils as evidence. This is a powerful lesson for middle school students. They are examining fossils beyond the concrete identification to a more abstract analysis of the stories found within. Fossils are a tool for understanding the past. Students examine fossils to learn about prehistoric biodiversity, how the Earth has changed over time, what biotic and abiotic factors made up ecosystems of the past, predator, prey relationships and adaptations.
Evidence for evolution
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