Geologic Time Scale
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the duration of the Mesozoic Era?
Back
180 million years
2.
FLASHCARD QUESTION
Front
What is the longest time period in the geologic time scale?
Back
Eon
Tags
NGSS.MS-ESS1-4
3.
FLASHCARD QUESTION
Front
What is the most recent time period in Earth's history?
Back
Cenozoic Era
Tags
NGSS.MS-ESS1-4
4.
FLASHCARD QUESTION
Front
What is the duration of the Early Archean Era?
Back
2.5 billion years
Tags
NGSS.MS-ESS1-4
5.
FLASHCARD QUESTION
Front
What is the purpose of the geologic time scale?
Back
To identify when events occurred in Earth's history.
Tags
NGSS.MS-ESS1-4
6.
FLASHCARD QUESTION
Front
What are the three main divisions of the geologic time scale?
Back
Eons, Eras, Periods.
Tags
NGSS.MS-ESS1-4
7.
FLASHCARD QUESTION
Front
What is an Eon?
Back
The largest division of geologic time, lasting hundreds of millions to billions of years.
Tags
NGSS.MS-ESS1-4
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