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Geologic Time

In this topic we will learn about the beginnings of Earth and the extreme changes it has undergone. We will also focus on how major extinction periods throughout geologic history have changed the development of life on Earth.

Early Evolution

Students will be able to gain a better understanding on the evolution of Earth and the development of lifeforms. 

Image by Jon Butterworth

Relative Dating

Students will be able to sequence rock strata and determine their relative ages by using index fossils and other characteristics.

Absolute Dating

Students will be able to find the exact age of a rock, organic substance, or event using the radioactive decay of certain naturally occurring elements.


Topic Test Review

Students will review the concepts and key ideas from the Geologic Time topic in preparation for their exam.

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