Earth's Landscapes

Front

What evidence was found that this place was once under the ocean?

Back

a shark tooth

Front

What provides evidence of past life?

Back

fossils

Front

Where did the silt surrounding the fossils come from? Options: mountains, ocean, plains, glacier

Back

ocean

Front

What do these fossils provide evidence for?

Back

an ocean was once found here

Front

What is a rock layer with lots of skeletons called?

Back

bone bed

Front

Which rocks are the youngest in this photo?

Back

the rocks at the top

Front

How do scientists accurately determine how old a fossil is?

Back

radiocarbon dating

Front

What formed the Grand Canyon?

Back

a river

Front

What is the study of fossils called?

Back

paleontology

Front

What caused the Sharktooth Hill bone bed to form?

Back

a river stopped and started flowing