Fossils

The hardened remains of a living thing that died long ago.

• fossil

• extinct

• endangered

• minerals

Tags

NGSS.MS-LS4-1

If a scientist found a fish fossil in the desert, what can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

Tags

NGSS.MS-LS4-1

This type of fossil is tree sap hardened and replaced by minerals.

• Petrified wood

• Imprint

• Amber

• Mold

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

• Body fossil

What type of fossil is pictured here?

• Forest fossil

• Trace fossil

• Cast fossil

• Body fossil

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

• Body fossil

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which type of fossil preservation is a thin carbon silhouette of the original organism?

• cast     

• carbon film    

• mold

• petrified

A fossil formed when minerals replace all or part of an organism is called a

• mold   

• petrified fossil

• cast

• trace fossil

What is a copy of a fossil produced by filling a mold with sediments or crystals?

• mold

• cast

• petrified fossil

• carbon film

Why are there more animal fossils than plant fossils?

• Animals are smaller than plants.

• Plants have harder bodies than animals.

• Plans have softer bodies than animals.

• Animals eat plants.