Fossils

Front

What are the remains, imprints, or traces of once-living organisms?

Back

Fossils

Front

True or False: Leaf prints can be fossils.

Back

True

Front

What can fossils tell us about the past environment?

Back

They can indicate that an area used to be an ocean, forest, or desert.

Front

What is a word for animals that no longer exist?

Back

Extinct

Front

What can NOT be learned by looking at fossil footprints?

Back

The animal's body covering.

Front

What is an index fossil?

Back

A fossil that is used to define and identify a particular time period.

Front

What is a mold in terms of fossils?

Back

A mold is a hollow impression left in sediment by a fossil.

Front

What is a cast in terms of fossils?

Back

A cast is a solid copy of the shape of an organism.

Front

What type of rock are fossils usually found in?

Back

Sedimentary rock.

Front

What does the study of fossils help scientists understand?

Back

It helps scientists understand the history of life on Earth.