Relative age dating rocks

Posted by / 15-Sep-2017 17:40

Relative age dating rocks

By correlating fossils from various parts of the world, scientists are able to give relative ages to particular strata. Relative dating tells scientists if a rock layer is "older" or "younger" than another.

Locally, physical characteristics of rocks can be compared and correlated.Teaching about Earth's history is a challenge for all teachers.Time factors of millions and billions of years is difficult even for adults to comprehend.The module is an integrated unit which addresses the following National Science Education Standards: *Science as Inquiry: Students develop the abilities necessary to do scientific inquiry — identify questions, design and conduct scientific investigations, use appropriate tools and technologies to gather, analyze and interpret data, think critically and logically to make the relationships between evidence and explanations, communicate results, and use mathematics in all aspects of scientific inquiry.*Life Science: Fossils indicate that many organisms that lived long ago are extinct.

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Our transcription: The principles of relative age dating are simple and yet so powerful that they were used by early geologists in the Eighteenth and Nineteenth Centuries to construct a complete historic sequence of all of the rocks in Europe. in a sequence of undeformed sedimentary rocks, oldest on bottom youngest on top.

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