Fossils and Geologic Time Scale

Front

What type of rock are most fossils found in?

Back

Sedimentary rock.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Front

What is a true statement about fossils?

Back

Some living things have not really changed in millions of years.

Tags

NGSS.MS-LS4-1

Front

What is an example of an index fossil?

Back

Trilobites or ammonites.

Front

Why are there more animal fossils than plant fossils?

Back

Plants have softer bodies than animals.

Front

What is the term for the idea that conditions on Earth change in quick, violent events?

Back

Catastrophism.

Tags

NGSS.MS-ESS3-2

Front

What type of rock forms from the accumulation of sediment?

Back

Sedimentary rock.

Front

What is the significance of index fossils in geology?

Back

Index fossils help to date the layers of rock and indicate the relative age of the fossils.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

What is the principle of uniformitarianism?

Back

The principle that the same geological processes that operate today also operated in the past.

Tags

NGSS.MS-ESS2-1

Front

What is the geologic time scale?

Back

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

Tags

NGSS.MS-ESS1-4