Fossils

Most fossils form when living things die and are buried by _______________ that hardens into rock over time.

• sediment

• people

• cement

• ants

What type of fossils provide evidence of the activities of ancient organisms?

• molds and casts

• petrified fossils

• trace fossils

• carbon films

An organism is ______________ if it no longer exits and will never live again on Earth.

• rare

• extinct

• plentiful

• missing

Tags

NGSS.MS-LS4-1

A ______________________ is a scientist who studies fossils.

• biologist

• chemist

• paleontologist

• astronomer

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A ______________________ is a scientist who studies fossils.

• biologist

• chemist

• paleontologist

• astronomer

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Scientist study the ____________________ to learn about the history of life, past environments on Earth, and how different groups of organisms have changed over time.

• fossil record

• animal record

• historical record

• Earth record

Tags

NGSS.MS-LS4-1

Which of the following substances is not able to preserve entire organisms?

• sticky tar

• water

• amber

• ice

Which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

Tags

NGSS.MS-LS4-1

If a scientist found a fish fossil in the desert, what can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

Tags

NGSS.MS-LS4-1

What needs to happen FIRST for a fossil to form?

• A plant or animal must be covered by sediment.

• A plant or animal must die and decompose.

• Sediments fill a a mold to form a cast.

• An earthquake shifts the land up.