The smallest division of time in the geologic time scale
What is the epoch?
100
Our current period
What is the Quaternary?
100
For undisturbed layers of rock, this law states that the oldest layers are always found on the bottom.
What is the Law of Superposition?
200
The largest division of time in the geologic time scale
(not covered in class, only mentioned a few times)
What is the eon?
200
I am composed of seven periods.
What is the Paleozoic Era?
200
An earthquake's focus point of energy, where tectonic forces are released.
What is an epicenter?
300
This period of time accounts for the great majority of time in the geologic time scale (~87 %)
What is Pre-cambrian?
300
My name literally means "Recent Life"
What is the Cenozoic Era?
300
"Quick" evolution, if this is possible, is illustrated in this evolutionary model, in which few, if any, intermediate species exist between evolved organisms.
What is punctuated equilibrium?
400
The first and last periods of the Paleozoic, please.
What are the Cambrian (first) and Permian (last)?
400
The three basic kinds of volcanoes.
What are the shield, cinder cone, and composite?
500
The number of epochs in the Mesozoic.
What is zero?
500
This "dark" region inside the Earth is formed because s-waves cannot pass through the liquid outer core.