Geological Time/Relative Age

Which of these rock layers is relatively the newest?

• Kaibab formation
• Zoraster Granite
• Redwall limestone
• Unkar group

Tags

NGSS.MS-ESS1-4

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers

• The age of fossils

• The relative age of rock layers

• the super powers of squirrels

Tags

NGSS.MS-ESS1-4

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

_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

Tags

NGSS.MS-ESS1-4

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

• 4
• 3
• 1
• 2

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following happened most recently?

• A. Deposition of Unit C
• B. Deposition of Unit B
• C. Deposition of Unit F
• D. Tilting of C, D, E, and F

Tags

NGSS.MS-ESS1-4

Look at the diagram, what layer did animal E first show up in?

• Layer 5

• Layer 6

• Layer 7

• Layer 8

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The age of a rock compared to the ages of other rocks is the rock's

• absolute age
• geologic age
• sedimentary age
• relative age

In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils. What can be determined from this information?

• Trilobites existed before jellyfish and ammonites.
• Jellyfish existed before trilobites and ammonites. 
• Ammonites existed before trilobites and jellyfish.
• Jellyfish, trilobites, and ammonites lived together.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The ___ parts of organisms are more likely to become fossils.

• hard
• soft
• outer
• inner