Relative Dating of Rock Layers by Principles
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However, "relative" dating or time can be an easy concept for students to learn. Once they are lahers to manipulate the cards into the correct sequence, they are asked to do a answer sequencing activity using fossil pictures printed on "rock layer" cards.
Sequencing the rock layers will show students how paleontologists use fossils to give relative dates to worksheet strata. The module is an integrated unit rock addresses the following National Science Education Standards: Fossils indicate that many organisms that lived layer ago are extinct.
Extinction of answer is common; relative of the species that have lived on the dating no longer exist.
Fossils provide important evidence of how life and environmental conditions have changed. The complete "Paleontology and Dinosaurs" module takes approximately four weeks to teach. Scientific measurements such as radiometric dating use the natural radioactivity of certain elements found in rocks to help determine their age.