What Are Fossils

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

• Petrified wood

• Imprint

• Amber

• Mold

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 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

Which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

Tags

NGSS.MS-LS4-1

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

• amber

• cast

• mold

• minerals

What type of fossil is pictured here?

• Mold fossil

• Trace fossil

• Cast fossil

• Body fossil

Tags

NGSS.MS-LS4-1

What are fossils?

• Remains or impressions of ancient organisms preserved in rock

• A type of rock formed from lava

• A modern-day plant species

• A type of mineral found in caves

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2