8th Grade Science - Semester Final Exam - Fall - 2023-2024

The Geologic time scale is subdivided into

• A. Eons, periods, epochs, eras
• B. Eras, eon, periods, epochs
• C. Epochs, periods, eras, eons
• D. Eons, eras, periods, epochs

Tags

NGSS.MS-ESS1-4

Using the information and the geologic time scale below, choose the period that falls within the Mesozoic Era?

• A. Cambrian
• C. Quaternary
• B. Triassic
• D. Cenozoic

Tags

NGSS.MS-ESS1-4

Which era contains the most complex organisms?

• A. Cenozoic Era
• C. Precambrian Time
• B. Mesozoic Era
• D. Paleozoic Era

Which event ended the Mesozoic Era?

• A. continental drift that changed climate
• B. use of fossil fuels by humans
• C. extinction of 90% marine life
• D. asteroid striking Earth and changing climate

Tags

NGSS.MS-LS4-1

Relative Age Dating does all the following EXCEPT :

• A. allows scientist to date rock, fossils, and geological events
• B. gives a numerical value in years old
• C. uses the method of superposition to date rocks
• D. uses general terms, such as older and younger

______ states that younger rocks lie above older rocks if the layers have not been disturbed?

• A. Law of crosscutting relationships
• B. Law of superposition
• C. Relative Dating
• D. Unconformity Use this pictur e to answer questions 11 and 12

Tags

NGSS.MS-ESS1-4

Which of the following layers is the youngest layer?

• A. Layer E
• B. Intrusion D
• C. Intrusion H
• D. Layer L

Tags

NGSS.MS-ESS1-4

Which of the following layer is the oldest?

• A. Layer M
• B. Intrusion D
• C. Layer S
• D. Intrusion H

Tags

NGSS.MS-ESS1-4

How does absolute age differ from relative age?

• A. Only absolute dating indicates which rock is older than another
• B. Only absolute dating finds the age in years
• C. Only relative dating finds the age in years
• D. Both relative and absolute dating find a specific age in years

How long did the Cenozoic Era last?

• A. 250 - 65 mya
• B. 65 mya - present
• C. 544 - 245 mya
• D. 300 -150 mya