Fossils Core 2

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

• fossil

• extinct

• endangered

• minerals

Tags

NGSS.MS-LS4-1

Which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

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-ESS2-3

NGSS.MS-LS4-1

What replaces the wood of a once-living thing to form petrified wood?

• amber

• cast

• mold

• minerals

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

Tags

NGSS.MS-LS4-1

What type of fossil is pictured here?

• Forest fossil

• Trace fossil

• Cast fossil

• Body fossil

Which organism is most likely to become fossilized in the next million years?

• a butterfly

• a giraffe

• an octopus

• an earthworm

Tags

NGSS.MS-LS4-1

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