Geologic Time Scale Flashcard

Geologic Time Scale Flashcard

Assessment

Flashcard

Science

6th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

Humans evolved in what eon?

Back

Phanerozoic

2.

FLASHCARD QUESTION

Front

Earth is thought to be formed ______ years ago?

Back

4.6 billion

3.

FLASHCARD QUESTION

Front

What is an eon?

Back

Long span of geologic time. In formal usage, the longest portions of geologic time.

4.

FLASHCARD QUESTION

Front

What does Phanerozoic mean?

Back

Visible Life

5.

FLASHCARD QUESTION

Front

Proterozoic Started Around What Time?

Back

2500 mya

6.

FLASHCARD QUESTION

Front

What is the geologic time scale?

Back

A system of chronological dating that relates geological strata to time.

7.

FLASHCARD QUESTION

Front

What are the four eons of the geologic time scale?

Back

Hadean, Archean, Proterozoic, Phanerozoic.

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