Earth's Landscapes

Front

What provides evidence of past life?

Back

Fossils provide evidence of past life.

Front

How do scientists accurately determine how old a fossil is?

Back

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

Front

Where did the silt surrounding the fossils come from?

Back

The silt surrounding the fossils came from the ocean.

Front

What is the largest type of shark that ever lived?

Back

The largest type of shark that ever lived is the Megalodon.

Front

What do these fossils provide evidence for?

Back

These fossils provide evidence that an ocean was once found here.

Front

What is a fossil?

Back

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

Front

What is radiocarbon dating?

Back

Radiocarbon dating is a method used to determine the age of an object containing organic material by measuring the amount of carbon-14 it contains.

Front

What is silt?

Back

Silt is a fine soil that is smaller than sand but larger than clay.

Front

What is the difference between a fossil and a rock?

Back

A fossil is a remnant of a living organism, while a rock is a solid mass of minerals.

Front

What can fossils tell us about Earth's history?

Back

Fossils can tell us about the types of organisms that lived in the past and the environments they lived in.