Vocabulary
Types of Fossils
How do fossils form?
Learning from fossils
Fast Facts
100

Paleontologist 

A person who studies fossils 

100

The most common type of fossils are... 

Mineral Fossils 

100

Some fossils form in sticky tree sap.  They get trapped and over time the sap hardens into a material called ______

Amber 

100

Studying fossils allows scientists to learn more about earths ___________.

History

100

Layers of a rock can be used to tell how _______ a fossil is. 

Old

200

Fossil 

The preserved remains of plants and animals that lived long ago. 

200

Fossilized dents made by plants and animals are called...

Molds 

200

Define Preserved 

In its original condition.

200

What does a sharp tooth fossil tell scientists about that animal?

It probably ate other animals (meat) 

200

Deeper layers of rock are ____ than the layers above.

Older 

300

Amber

A hard orange-yellow substance formed from tree sap. 

300

Fossils that form when minerals fill dents and harden into rocks...

Casts

300

In very cold climates such as, Alaska and Siberia, where were fossils found? 

In ice! 

300

What do flat tooth fossils tell scientists about what that animal ate? 

They ate plants. 

300

Living things such as plants and animals

Organisms 

400

Extinct 

No longer alive. 

400

Fossils made from markings or other things that animals leave behind...

Trace fossils 

400

Fossils are usually found in this type of rock

Sedimentary 

400

What can you determine about the land if a fish fossil was found in the desert? 

It was once underwater. 

400

_______ are the most common kind of trace fossils. 

Footprints 

500

Decay 

To rot or decompose. 

500

True or false... A cast fossil is hardened rock, while a mold fossil is hollow. 

True 

500

Describe the steps for how a fossil forms in sedimentary rock. 

1) An animal dies 2) The animals' bones get buried by mud, dirt, or sand. 3) Minerals seep into the bones 4) they harden into rocks that look just like bones. 

500

Coprolites, also known as, _________ can show us what animal ate and where it lived

Animal droppings

500

Most plant fossils are __________

Carbon prints. 

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