Geologic Time Scale & Earth's History

Geologic Time Scale & Earth's History

Assessment

Flashcard

Science

7th Grade

Hard

Created by

Wayground Content

FREE Resource

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20 questions

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1.

FLASHCARD QUESTION

Front

Geologic Time Scale

Back

Organizes Earth's history into eons, eras, periods.

2.

FLASHCARD QUESTION

Front

Rock Strata

Back

Layers of sedimentary rock, used to date Earth's history.

3.

FLASHCARD QUESTION

Front

Fossils

Back

Remains of ancient life, found in rock layers.

4.

FLASHCARD QUESTION

Front

Eons

Back

Largest time units in geologic time scale.

5.

FLASHCARD QUESTION

Front

Eras

Back

Subdivisions of eons, marked by major events.

6.

FLASHCARD QUESTION

Front

Periods

Back

Subdivisions of eras, defined by life forms.

7.

FLASHCARD QUESTION

Front

Epochs

Back

Subdivisions of periods, finer time scale.

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