Fossils

Fossils

500

Some fossils help us understand that _________ have changed over time

organisms

Formation of Fossils

100

Where do fossils usually form in?

Sedimentary Rock

Igneous Rock

Metamorphic Rock

Sedimentary Rock

200

Molds mark the ________ of an organism

Molds mark the shape of an organism

300

Fossils form when ____________ are buried under ________

Fossils from when organisms are buried under sediment

400

Casts are:

Liquid

Solid

Sand

Casts are solid

500

Fossils can form when __________ build up in still water over dead ________ and ________

Fossils can form when sediments build up in still water over dead animals and plants.

Preserving Organisms

100

Trace fossils show us activities of __________ organisms

Trace fossils show us activities of ancient organisms

200

What are carbon films?

Something along the lines of...

Carbon residues from decayed organisms left behind on rocks

300

The remains of living organisms that turn into rock are...

Petrified Fossils

400

What 2 things can preserve an organism?

Petrified fossils and carbon films

500

Do fossils always preserve an entire organism's body with change? Yes or No

No, some fossils preserve an entire organism's body with little or no change.

Fossils, History of Life, Continental Drift

100

Who are the scientists that study fossils?

Paleontologists

200

What are the 2 ways that Paleontologists classify organisms?

by similarities and time period

300

What record provides evidence about the history of life?

The fossil record

400

What is 1 example of a trace fossil?

Any of the following...

-footprints

-fecal remains

-trails

-burrows

500

Since fossils are distributed in many different continents, what does that tell us? (HINT: Think about Continental Drift)

There was past plate motion

Evidence of Change to Earth's Surface and Climate AND Plate Movement

100

Do fossils show Earth's surface and climate staying the same OR changing?

Changing

200

Fossils help us understand _________ in _________ over time 

Fossils help us understand changes in climate over time

300

What are 2 examples of animals that have been extinct? (In the section of the packet: Evidence of Extinct Organisms)

Dinosaurs

Woolly Mammoths 

Saber-toothed Tigers

Giant Sloths

Trilobites

400

What does the fossil record indicate? (In the section of the packet: Evidence of Extinct Organisms)

The fossil record indicates that many organisms have become extinct.

500

Explain continental drift in your own words

Something along the lines of...

The theory that continents were all once formed together, and over time they drifted.