Geologic Time Scale

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

Tags

NGSS.MS-ESS1-4

Traces or remains of organisms that lived long ago

• Fossil
• Unconformity
• Superposition
• Column

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

NGSS.MS-LS4-2

Look at the reference image. Which combination accurately portrays the correct age order?

• B is higher so it is OLDER than D

• C is older than E, even though it is FOLDING upwards

• G is older than all the other layers

• A is higher, so is OLDEST layer

Tags

NGSS.MS-ESS1-4

Analyze the image Above. According to the Law of Superposition, which sequence of letters describes the rock layers in the diagram from oldest to youngest?

• D,C,B,A

• A,B,C,D

• A,B,D,C

• C,D,B,A

Tags

NGSS.MS-ESS1-4

Put the layers in order from oldest to youngest.

• a, b, c, d, e
• b, c, d, a, e
• b, c, d, e, a 
• e, d, c, b, a

Tags

NGSS.MS-ESS1-4

Which of the following is the oldest?

• Layer A
• Intrusion D
• Intrusion H
• Layer E

Tags

NGSS.MS-ESS1-4

inclusions

• If one rock contains pieces of another rock, the rock containing the pieces is younger than the pieces.
• matching rocks and fossils from separate locations
• Principle stating that if one geologic feature cuts across another feature, the feature that it cuts across is older.

Tags

NGSS.MS-ESS1-4

cross-cutting relationships

• Principle stating that if one geologic feature cuts across another feature, the feature that it cuts across is older.

• Principle stating that younger rocks lie above older rocks.

• matching rocks and fossils from separate locations

Tags

NGSS.MS-ESS1-4

unconformities

• Gaps in rock sequences

• Scientists who study Earth and the processes that have shaped Earth over time

• the actual age in years of an event or object

Tags

NGSS.MS-ESS1-4

uniformitarianism

• The actual age in years of an event or object

• geologic processes that occur today are similar to those that have occurred in the past

• Scientists who study Earth and the processes that have shaped Earth over time

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-1