Types of Fossils

Most fossils form when living things?

• die

• get buried

• decay

• die/buried by sediment

Tags

NGSS.MS-LS4-1

Type of rock that is made of hardened sediment?

• metamorphic rock
• igneous rock
• sedimentary rock
• limestone 

Petrified fossils means?

• afraid

• scared

• turned into clay

• turning into stone

The most common type of fossil?

• preserved remains
• molds & casts
• trace fossils
• carbon films

Tags

NGSS.MS-LS4-1

Trace fossils are?

• fossils made from carbon

• evidence of activities of ancient organisms

• made from minerals

• traces of rocks

Tags

NGSS.MS-LS4-1

Remains can be preserved by?

• changing over time
• staying the same
• tar, amber, ice
• freezing only

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What type of fossil is an imprint in a rock and creates a cavity?

• cast

• trace

• mold

• carbon film

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 fossil

• petrified fossil

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.3-LS4-1

NGSS.4-ESS1-1

Hardened tree sap is called

• diamonds
• amber
• tar
• syrup