Fossil Warm-Up

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-LS4-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

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

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

• Body fossil

Which parts of an organism are more likely to fossilize?

• the soft parts - skin, muscle
• the hard parts - bones, shells, stems
• all parts can become fossilized easily because the organism becomes buried by sediments

Fossils form when dead organisms are:

• completely decomposed

• rapidly buried under sediments

• eaten by scavengers

• reincarnated

Tags

NGSS.MS-LS4-1