Fossils

_____________ is the preserved remains of a plant or animal that lived long ago.

• humas
• fossil
• imprint

___________ is a scientist who studies fossils and organisms that lived long ago.

• imprint
• cast
• Paleontologist

________ is when a living thing dies and is buried under mud or soil. The soil hardens into rock and when the rock wears away there is a mold.

• mold
• cast
• imprint

__________ is a mark made by pressing something onto a softer substance so that its outline is reproduced.

• mold
• cast
• imprint

___________ is a type of fossil that fills in a mold to create a different type of fossil.

• mold
• cast
• imprint

What are the three types of fossils?

• imprints, molds, and cast
• bones, teeth, and eggs
• sand, silt, clay

How do scientists know the kind of food that dinosaurs ate? 

• their bones
• their teeth
• their eggs

_________ parts of an organism decay over time.

• teeth
• hard
• soft

______________ parts, such as bones, are replaced by minerals and become rock.

• hard
• soft
• eggs

If a shark's tooth was found on the land of Georgia, what can you conclude?

• they have teeth
• the land was underwater a long time ago
• what they ate