Fossils and Geologic Time Scale

Front

What are fossils that are abundant, easily recognizable, short lived, and widespread called?

Back

Index fossils

Front

The geologic time scale is a record of what?

Back

The history of rock layers and fossils

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Front

What do we call scientists who study fossils?

Back

Paleontologists

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What are preserved remains of plants and animals from the remote past called?

Back

Fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

In which kind of rock do we usually find fossils?

Back

Sedimentary rock

Front

What is the process of determining the age of fossils and rocks called?

Back

Dating (including radioactive dating)

Tags

NGSS.HS-ESS1-5

Front

What type of rock is formed from the accumulation of sediment?

Back

Sedimentary rock

Front

What is the significance of index fossils in geology?

Back

They help to date the rock layers in which they are found.

Tags

NGSS.MS-ESS1-4

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic rocks.

Front

What is the principle of superposition in geology?

Back

In undisturbed rock layers, the oldest layers are at the bottom and the youngest are at the top.

Tags

NGSS.MS-ESS1-4