Fossils

Fossils provide clues to what past ____________ were like

• environments

• crust

• clouds

• temperature

The preserved remains or traces of living things are

• bones

• fossils

• skin

• animals

How do fossils form?

Only the ____ part of an organism becomes a fossil

• feathery

• soft

• hard

• smooth

A hollow area in sediment in the shape of an organism or part of an organism

• mold

• cast

• carbon film

• trace fossil

• petrified fossil

A solid copy of the shape of an organism. It is the opposite of a mold.

• mold

• cast

• carbon film

• trace fossil

• petrified fossil

Fossils in which minerals replace all or part of an organism.

• mold

• cast

• carbon film

• trace fossil

• petrified fossil

An extremely thin coating of carbon on a rock. These fossils show delicate parts of plants and insects.

• mold

• cast

• carbon film

• trace fossil

• petrified fossil

Provide evidence of the activities of ancient organisms

• mold

• cast

• carbon film

• trace fossil

• petrified fossil

Which is not a type of a preserved remain?

• tar

• amber

• freezing

• oil