How to determine the relative ages of rocks through evidence from rock formations and fossil evidence in the Earth's history.
How to determine the relative ages of rocks.
A video lesson on the law of superposition, which is used to determine the relative ages of rocks. Courtesy of bozemanbiology.
Students take an informational tour to gain a basic understanding of geologic time, the evidence for events in Earth’s history, relative and absolute dating techniques, and the significance of the Geologic Time Scale.
A list of student-submitted discussion questions for Determining Relative Ages.
To predict the main ideas of the text based on context clues, to generate questions about a given topic and to organize and review the knowledge learned about the topic using the SQ3R strategy.
Explores the rock units of the Grand Staircase and the geologic history they reveal.
Learn about the Precambrian rocks of the Grand Canyon Supergroup and what they reveal about the ancient Earth.
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