Fossils
This index fossil is most commonly associated with the Cambrian Period.
What is a trilobite?
This law states that new layers form on top of older layers.
What is law of superposition?
The current Era.
What is cenozoic?
This type of rock is best for forming fossils.
What is sedimentary?
Mr. Patterson's Sister's Name
What is Winter?
Name three ways a preservation fossil can form.
What is ice, amber, and tar?
According to radiometric estimations, this is the age of the Earth.
What is 4.6 billion years old.
What is triassic?
This was the first super continent.
What is Rodinia?
Mr. Patterson's Wife's Name
What is Mary?
This process replaces all of an organism's remains with minerals.
What is petrification?
Name four elements used in absolute dating.
What are Carbon, Potassium, Argon, and Uranium?
The eras are typically separated by this.
What are mass extinctions.
This is the oldest feature in a layer of rock that contains gravel sized rocks in a fine grained sediment matrix.
What is the gravel sized rocks?
Mr. Patterson's University. Zot Zot!
What is UC Irvine?
Give three examples of a trace fossil.
What are burrows, feces, and footprints?
This law is used to reorient twisted or warped rocks for proper analysis.
What is law of original horizontality?
DAILY DOUBLE
Bet up to 4000 points!
What is the current epoch?
The rapid development of biological diversity that began about 500 million years ago is known as this.
What is the Cambrian Explosion?
The City Where Mr. Patterson Went To Elementary School.
San Diego
DAILY DOUBLE
Bet up to 5000
Besides trilobite, name another index fossil from the Cambrian Period.
This is another name for an igneous intrusion.
What is a dike?
Name the four divisions of geological time in order from shortest to longest.
What are epoch, period, era, eon?
Scientist estimate that between ____ and ____ species go extinct every day.
What is 150- 200?
Mr. Patterson's Elementary School Mascot
What is Seagull?