Fossils

Describes a group of living things that are no longer living.

• fossil

• extinct

• endangered

• dinosaur

The hardened remains of a living thing that died long ago.

• fossil

• extinct

• endangered

• minerals

Which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

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.

What replaces the wood of a once-living thing to form petrified wood?

• amber

• cast

• mold

• minerals

This type of fossil is tree sap hardened and replaced by minerals.

• Petrified wood

• Imprint

• Amber

• Mold

_______________is a scientist who studies fossils.

• geologist

• fossilologist

• paleontologist

• extinct

Which is NOT a reason scientists study fossils?

• They tell us how long a species existed on Earth.

• To learn how organisms are related to each other.

• How organisms communicated with each other.

• Fossils tell scientists the types of environments that organisms lived in.

How do scientists learn about dinosaurs?

• by studying fossils

• by reading about them

• by watching movies

• by looking at pictures

Produced when sediments fill in a cavity made when an object decayed 

• cast
• mold
• original remains