Fossils

What is a fossil?

• live animals

• hair

• the preserved remains of a once living organism

• skin

__________ are "bone" fossils

• Molds/Casts

• Petrified

• Carbon Films

• Trace Fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

__________ is a type of fossil that forms when crystals fill a mold or sediments wash into a mold and harden into rock

• Petrified

• Cast

• Mold

• Preserved Remains

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

__________ is a fossil formed when an organism buried in sediment dissolves, leaving a hollow area.

• Cast

• Petrified

• Mold

• Trace

Tags

NGSS.MS-LS4-1

When an organism dies and is buried in sediment, the materials that make up the organism break downs down it creates a __________ fossil.

• Cast

• Mold

• Petrified

• Carbon Film

Tags

NGSS.MS-LS4-1

A good example of a __________ fossil is a footprint.

• Trace

• Mold

• Cast

• Carbon Film

When an animal is trapped and it's body is mostly preserved it is a __________ fossil.

• Cast

• Preserved Remains

• Mold

• Petrified

True or False: Eventually, erosion or people digging for fossils will expose the preserved remains.

• True

• False

Tags

NGSS.MS-LS4-1