Fossils and Geologic Time

Front

What is the most recent era of geologic time?

Back

Cenozoic

Tags

NGSS.MS-ESS1-4

Front

In which type of rock are fossils typically found?

Back

Sedimentary rock

Tags

NGSS.MS-LS4-1

Front

According to the law of superposition, which layer is the youngest?

Back

Layer A

Tags

NGSS.MS-ESS1-4

Front

What is a fossil?

Back

The remains or physical evidence of an organism preserved by geologic processes.

Tags

NGSS.MS-LS4-1

Front

What is an example of an index fossil?

Back

Trilobites or ammonites.

Tags

NGSS.MS-LS4-1

Front

What are the four main types of rock?

Back

Igneous, sedimentary, metamorphic, and magma.

Tags

NGSS.MS-ESS2-1

Front

What is the significance of index fossils in geology?

Back

They help to date the layers of rock and indicate the relative age of the fossils found within.

Tags

NGSS.MS-ESS1-4

Front

What does the term 'geologic time scale' refer to?

Back

A system of chronological dating that relates geological strata to time.

Tags

NGSS.MS-ESS1-4

Front

What is the difference between relative dating and absolute dating?

Back

Relative dating determines the sequence of events, while absolute dating provides a specific age.

Front

What is the process of fossilization?

Back

The process by which organic material is preserved in sedimentary rock over time.

Tags

NGSS.MS-LS4-1