Geological Time Scale
Explore the vast history of Earth with this worksheet on the geological time scale, covering major eras, periods, and significant events.
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Standards
Topics
Geological Time Scale
Name:
Date:
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Read each question carefully and answer to the best of your ability. Refer to your notes or textbook if needed.
1. Which of the following is the largest division of geological time?
Period
Epoch
Eon
Era
2. Scientists use the study of to learn about Earth's past.
3. The Mesozoic Era is known as the Age of .
4. All geological eras are of equal length.
True
False
5. Briefly explain why the geological time scale is important for understanding Earth's history.
Match the geological era with a significant event or characteristic.
6. Paleozoic Era
a. Age of Mammals
7. Cenozoic Era
b. First abundant life forms
8. Precambrian
c. Formation of Earth
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