The remains, or traces on once-living organisms are called fossils.

• true
• false

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

An amber fossil forms when an organism gets stuck in sticky __________, which eventually hardens around it.

• tree sap
• tar
• cement
• syrup

The impression of an organism's body shape left in sediment is called a cast fossil

• true
• false

When water seeps in, to fill the impression of a mold fossil, the minerals in the water form a _____________.

• permineralized fossil
• mold fossil
• trace fossil
• cast fossil

Insects in amber can be preserved for millions of years

• True
• False

A well frozen mammoth remains can survive for approximately 10,000 years

• True
• False

Mold must form before the cast

• True
• False

Identify this fossil.

• petrified

• cast

• mold

• trace

Tags

NGSS.MS-LS4-1

Identify this fossil.

• petrified

• carbon film

• mold

• trace

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Identify this fossil.

• mold

• cast

• trace

• petrified