Earth's Landscapes

Front

What is a rock layer with lots of skeletons called?

Back

A rock layer with lots of skeletons is called a bone bed.

Front

What evidence shows that a place was once under the ocean?

Back

A shark tooth is evidence that a place was once under the ocean.

Front

What do fossils provide evidence for?

Back

Fossils provide evidence that an ocean was once found in that place.

Front

How do scientists determine the age of a fossil?

Back

Scientists use radiocarbon dating to determine the age of a fossil.

Front

What caused the Sharktooth Hill bone bed to form?

Back

The Sharktooth Hill bone bed formed when a river stopped and started flowing.

Front

What is a fossil?

Back

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

Front

What is the process of fossilization?

Back

Fossilization is the process where organic material is replaced by minerals over time.

Front

What are sedimentary rocks?

Back

Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments.

Front

What is an example of a fossil?

Back

An example of a fossil is a dinosaur bone or a leaf imprint.

Front

What do paleontologists study?

Back

Paleontologists study fossils to understand the history of life on Earth.