Fossils

Front

What can scientists infer if they find a fish fossil in the desert?

Back

The water covered the area long ago.

Front

Which type of rock are most fossils found in?

Back

Sedimentary rock.

Front

What is the process called when rocks are broken down into smaller pieces?

Back

Weathering.

Front

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

Back

Minerals.

Front

What type of fossil is tree sap hardened and replaced by minerals?

Back

Amber.

Front

What is a fossil?

Back

A preserved remains or impression of a once-living organism.

Front

What are the two main types of fossils?

Back

Body fossils and trace fossils.

Front

What is a body fossil?

Back

The actual remains of an organism, such as bones or shells.

Front

What is a trace fossil?

Back

Evidence of an organism's activity, such as footprints or burrows.

Front

How do fossils form in sedimentary rock?

Back

Organisms are buried by sediment, which hardens over time.