Fossils review (4th grade)

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a living organism from the past.

Front

What forms when a fossil mold is filled?

Back

A cast.

Front

What do paleontologists study?

Back

Paleontologists study fossils.

Front

What is the first step in the fossil formation process?

Back

An animal dies.

Front

How many types of fossils are there?

Back

There are 4 types of fossils.

Front

What is a mold fossil?

Back

A mold fossil is a hollow impression left in sediment when an organism decays.

Front

What is a cast fossil?

Back

A cast fossil forms when minerals fill a mold and create a replica of the organism.

Front

What can fossils tell us about ancient animals?

Back

Fossils can tell us about the size, diet, and habitat of ancient animals.

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What is a petrified fossil?

Back

A petrified fossil is formed when organic material is replaced by minerals, turning it into stone.

Front

What is a carbon film fossil?

Back

A carbon film fossil is a thin layer of carbon left behind when an organism decays.