4th Grade Fossils

Which of the following is an example of a body fossil?

• a perfect mold of a dinosaur bone

• A carbon print left by a leaf

• The skull of a mammoth

• A dinosaur footprint

Which of the following is an example of a trace fossil?

• A skeleton preserved in a tar pit

• A footprint of an extinct animal

• A mummy buried in ice

• An insect preserved in amber

Which of the following terms best describes body fossils?

• Rare

• Common

• Made of Stone

Tags

NGSS.MS-LS4-1

Why are deserts, tar pits, and ice good places to find body fossils?

• Most ancient organisms lived in these environments

• Bacteria and other decomposers cannot thrive in these environments

• Many ancient organisms traveled to these places to die

• The largest ancient organisms lived in these environments

Tags

NGSS.MS-LS4-1

In order to form a fossil, an organism must usually ______ quickly after it dies.

• Break down

• Go extinct

• Rot

• Be buried

Why are so many fossils shells, skeletons, and teeth?

• Most animals have shells, skeletons, or teeth

• Bacteria and decomposers consume these parts first after an animal dies.

• These parts break down slower than other body parts

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Although a cast fossil looks like an original bone or shell, how is it different?

• It is made of sediment and rock

• It is made of water

• It is black

Tags

NGSS.MS-LS4-2

A mold fossil is most similar to:

• An eggshell with no egg inside

• A replica of your teeth made at the dentist

• A bone your dog buries in the back yard

• An insect trapped in tree sap (amber)

Which of the following is a fossil fuel

• leaf

• oil

• tar

• bone

Tags

NGSS.MS-ESS3-1

What two forces can turn fossils into fossil fuels?

• lift and thrust

• wind and rain

• Temperature and Pressure