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 fossils.

Front

Where did the silt surrounding the fossils come from?

Back

The silt surrounding the fossils came from the ocean.

Front

What do these fossils provide evidence for?

Back

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

Front

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

Back

A shark tooth was found as evidence that this place was once under the ocean.

Front

What are fossils?

Back

Fossils are the remains or traces of ancient living things.

Front

What is radiocarbon dating?

Back

Radiocarbon dating is a method used to determine the age of fossils by measuring the amount of carbon-14.

Front

What can fossils tell us about Earth's history?

Back

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

Front

What is silt?

Back

Silt is a fine soil that can be carried by water and is often found in riverbeds and ocean floors.

Front

Why are shark teeth important in studying Earth's landscapes?

Back

Shark teeth are important because they can indicate that an area was once underwater.