Front

What is a paleontologist?

Back

A paleontologist is a scientist who studies fossils.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What is the first step in fossil formation?

Back

A plant or animal must die and decompose.

Front

Where is the oldest layer of sedimentary rock found?

Back

The oldest layer of sedimentary rock is found in the bottom layer.

Tags

NGSS.MS-ESS1-4

Front

Which layer of sedimentary rock is the youngest?

Back

The youngest layer is the top layer.

Tags

NGSS.MS-ESS1-4

Front

Which layer is younger than layer 4?

Back

Layer 6 is younger than layer 4.

Tags

NGSS.MS-ESS1-4

Front

What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms.

Tags

NGSS.MS-LS4-1

Front

What is sediment?

Back

Sediment is small particles of rock, soil, and organic material that can accumulate and form layers.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

Front

How do fossils help scientists?

Back

Fossils help scientists understand the history of life on Earth and how organisms have changed over time.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What is a mold in fossil formation?

Back

A mold is a hollow impression left in sediment when an organism decays.

Front

What is a cast in fossil formation?

Back

A cast is a solid copy of the shape of an organism formed when minerals fill a mold.