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4.4: Fossils

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

fossil

Preserved part of animals, plants, and other organisms from the distant past.

fossil record

Complete set of fossils that has been discovered, and the order in which the fossils appear.

paleontologist

Scientist who studies fossils to learn about life in the past.

radiometric dating

Procedure used to determine the age of rocks or fossils by measuring how much of the radioactive materials in each sample were broken down.

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Difficulty Level:
At Grade

Concept Nodes:

Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Nov 29, 2016
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