Geologic time #3

The law of superposition states:

• each rock layer is older than the one above it
• each rock layer is younger than the one above it
• each rock layer is the same as the one above it

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

Use relative age dating to put the rock layers in correct order from oldest to youngest.

• B, D, A, E, C

• C, E, D, A, B

• A, C, E, D, B

• C, E, D, B, A

Tags

NGSS.MS-ESS1-4

When did fossil A become extinct?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

Tags

NGSS.MS-ESS1-4

Click to enlarge. Study this carefully. Which fossil in the oldest?

• Fossil 1

• Fossil 2

• fossil 3

Tags

NGSS.MS-ESS1-4

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  
• Fossil B is older than fossil C
• Fossils A is older than fossil B
• Fossil D is older than fossil C

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1