Show:
Vocabulary
Types of Fossils
Prehistoric World
Dinosaurs
Miscellaneous
100
This is the remains of an ancient organism.
What is a fossil?
100

This fossil was created when an organism is quickly buried and then replaced by minerals.

What is a cast fossil?

100

The most common places to find fossils.

What is a in sedimentary rock?

100

Dinosaur bones are this type of fossil.

What are petrified or cast fossils?

100
This is a fossil made by a mark or design of an organism on a surface by pressure.
What is an impression?
200
Living things that carry out their own basic functions.
What is an organism?
200

These are examples of trace fossils.

What are plants, leaves, feathers, and footprints

200

The discovery of palm trees under the ice of Antarctica shows it was once this type of environment.

What is a tropical climate?

200
This type of plant fossil is found with dinosaur fossils.
What is a fern?
200
This is why a dinosaur fossil is now heavier than the original bone it was made from.
What is mineral replacement?
300
When something no longer exsists.
What is extinction?
300

This kind of fossils are commonly trees or wood

What are petrified fossils?

300

This mammal used to live in during the Ice Age

What is a wooly mammoth?

300

The "king" of the dinosaurs

What is tyrannosaurus rex?

300

This term is used to describe a fossil's role in telling us the history of the earth.

What are the "record keepers" of the earth?

400

An extinct ocean shell fish that lived over 300 million years ago.

What is a trilobite?

400
These are ways to preserve a whole organism as a fossil.
What are amber or ice?
400
A sea shell fossil on top of a mountain in Utah indicates this.
What shows Utah was once on the bottom of an ocean ?
400
This about when dinosaurs died out.
What is 65 million years ago?
400
These are things that dinosaurs of the past and reptiles of today have in common.
What are the same rib structure, four legs, and other similar features?
500
The kind of rock that fossils are found in.
What is sedimentary rock?
500

This is why the soft parts of a shark's body are not preserved as a fossil.

What is rotting or decay?

500

Dinosaur tracks in coal beds can tell us that our desert  was once this type of or environment.

What are tropic or swampy areas?

500

These are possible reasons that dinosaurs became extinct.

What is: 1.giant asteroid hit earth which changed the climate 2.many huge volcanoes erupted creating a cloud of smoke dust and ash which blocked the sunlight 3.may have starved or died because other smaller mammals ate the same food as dinosaurs ate 4.more small mammals than dinosaurs, they may have eaten their eggs ?

500

These are reasons why studying fossils is important.

What are ways to know about the past, see how the earth has changed, and learn about earth's history?