Fossils review (4th grade)

Front

A fossilized dinosaur footprint is a __________.

Back

trace fossil

Front

What word do we use to describe a species which has no members still living?

Back

extinct

Front

A ______ is an imprint made by the outside of a dead plant or animal.

Back

mold

Front

Which statement BEST describes how the fossil bones of a dinosaur are formed?

Back

The dinosaur was covered in sediment.

Front

In order for a fossil to form, which of the following events must happen FIRST?

Back

An animal dies.

Front

What is a cast fossil?

Back

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

Front

What is amber?

Back

Amber is fossilized tree resin that can preserve small organisms like insects.

Front

What is a trace fossil?

Back

A trace fossil is a type of fossil that provides evidence of the activities of ancient organisms, such as footprints or burrows.

Front

What is sediment?

Back

Sediment is small particles of rock, soil, and organic material that can cover and preserve remains.

Front

What does it mean for a species to be endangered?

Back

An endangered species is one that is at risk of extinction due to a decrease in population.