Geologic Time Scale
Flashcard
•
Science
•
8th Grade
•
Hard
Amy Garner
FREE Resource
Student preview

21 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the purpose of the geologic time scale?
Back
To identify when events occurred in Earth's history
2.
FLASHCARD QUESTION
Front
What is the longest time period in the geologic time scale? Options: Period, Epoch, Eon, Era
Back
Eon
3.
FLASHCARD QUESTION
Front
What is the shortest time frame in the geologic time scale? Options: Eon, Era, Period, Epoch
Back
Epoch
4.
FLASHCARD QUESTION
Front
What is the duration of an Era?
Back
Few hundred million years
5.
FLASHCARD QUESTION
Front
What is the duration of a Period?
Back
Tens of millions of years
6.
FLASHCARD QUESTION
Front
What is the duration of an Eon?
Back
Hundreds of millions of years
7.
FLASHCARD QUESTION
Front
What is the most recent time period in Earth's history?
Back
Cenozoic Era
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