Fossil Dating

The statement that the oldest layer will be at the bottom in an undisturbed sequence of rock layers is called the Principle of ....

• Inclusions
• Unconformities
• Cross-Cutting Relationships
• Superposition

Tags

NGSS.MS-ESS1-4

Which of the following correctly lists the layers in order from oldest to youngest?

• A, B, C, D, E
• E, B, C, D, A
• E, D, C, B, A
• C, B, A, D, E

Tags

NGSS.MS-ESS1-4

How does sedimentary rock usually form?

• Vertically
• Diagonally
• Folding
• Horizontally

Tags

NGSS.MS-ESS2-2

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

The time it takes for half of a radioactive element's atoms to decay is its:

• Era
• Half life
• Relative age
• Absolute age

Index fossils are used to determine:

• How old a rock layer is
• How organisms in the past were related to each other
• The composition of a rock layer
• Which rock layers in different areas are the same age

Tags

NGSS.MS-ESS1-4

Scientists can determine the absolute age of rocks using:

• Fault lines
• Index fossils
• Radioactive dating
• The law of superposition

A geologist hiking through the woods in Ohio finds rocks containing fossils in a stream bank. The fossils look similar to animals currently living in the ocean. Which conclusion should the geologist make based on the discovery of these fossils?

• Fossils washed upstream from the ocean
• Animals that live in the stream today lived in the ocean long ago.
• The area of the woods and stream was an ocean long ago.
• The area with the stream will become part of the ocean in the future.

If scientists found this fossil, what could they infer?

• what fish are like today

• that this fish lacked oxygen

• that water once covered the area where this fossil was found

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which fossil is the oldest?

• a

• b

• c

• d

Tags

NGSS.MS-LS4-1