Fossil Types and Fossil Formation

What type of fossil is an imprint in a rock?

• cast 
• trace 
• mold
• whole/part 

Fossilized rock in the shape of dinosaur bones are which type of fossil?

• real bone
• mold fossil
• cast fossil
• trace fossil

This type of fossil forms when sediments bury an organism and then sediments change into rock; the organism decays leaving a cavity in the shape of the organism.

• mold
• cast
• petrified
• trace

Tags

NGSS.MS-LS4-1

This type of fossil forms when a mold is filled with sand or mud that hardens into the shape of the organism.

• mold
• cast
• trace
• preserved

Tags

NGSS.MS-LS4-1

This type of fossil forms when minerals soak into the buried remains, replacing the remains, and changing them into rock.

• mold
• cast
• petrified
• preserved

Tags

NGSS.MS-LS4-1

Shells and skeletons are typically fossilized in this fashion.

• mold and cast
• trace
• carbonized or carbon film
• permineralized or petrified

Trees and sometimes marine animals are sometimes fossilized this way

• permineralized or petrified
• trace
• carbonized or carbon film
• preserved or original remains

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Remains of animals can be preserved by preventing them from decaying. What substances might help preserve parts or a whole animal

• tar, amber, ice
• ice, carbonization, trace
• rock, amber, ice
• tar, carbonization, rock

This type of scientist finds, preserves, and interprets fossils remains.

• archeologist
• paleontologist
• geologist
• anthropologist

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-5

Hardened tree sap is called

• diamonds
• amber
• tar
• syrup