Earth's History 2023

Which two conditions describe an index fossil? (choose both that are correct)

• Widely Distributed

• Only lived for short period of time

• Easily seen by geologists

• Widely Studied

Describe relative age

• A rock layer's age compared to those around it

• The number of years since a rock formed

• The number of years since a rock was last weathered

• A rock layer's birthday

Tags

NGSS.MS-ESS1-4

Occurs when atoms of an unstable element break down to form atoms of another element

• Erosion

• Index Fossils

• Radioactive Decay

• Law of Superposition

Fossils provide what type of evidence?

• Evidence of past organisms activities

• How organisms have changed over time

• How Earth has changed over time

• All are correct

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The geologic time scale is a record of

• the thickness of rock layers

• the rate of fossil formation

• the life forms and geologic events of Earth's history

• history of life forms on earth

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which rock layer most likely contains fossils of the most recently evolved organisms?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What type of rock do fossils form in?

• Igneous
• Sedimentary
• Metamorphic
• Classic

Tags

NGSS.MS-LS4-1

What is a fossil?

• A dead organism
• Sedimentary Rock
• Bone
• Preserved remains or traces of an organism 

Tags

NGSS.MS-LS4-1

How are scientists able to determine speed of a fossilize organism?

• Distance between footprints
• What rock layers the fossil is found in
• They cannot determine speed
• What organism they were praying on 

Which of the following is the oldest?

• Layer L
• Intrusion D
• Intrusion H
• Layer E

Tags

NGSS.MS-ESS1-4