ESS stands for...
Earth System Science
Something that occurs or exists
A phenomenon
What is the variety of life
What is biodiversity?
Method used to determine the actual age of rocks
Radiometric Dating
The divisions of the geologic timetable are based upon this
What is fossil evidence
Four main systems of Earth....
Hydro, Bio, Litho (Geo), Atmosphere
___________ phenomena are those observable, real-life contexts that form the basis of a question or a problem to be solved.
Anchor
Species Diversity is....
The number and relative abundance of species in a biological community.
Age of Earth
~4.6 BY
Why was Wegener's continental drift hypothesis not widely accepted?
What is Wegener could not explain how the continents moved. He only could explain that they must have moved by presenting fossil evidence.
Earth is a(n) open/closed/isolated system.
Open.
_________________ phenomena are what students observe as a result of testing answers to questions about the anchor phenomena
Investigative
This occurs to biodiversity as we move closer to the tropics.
Goes up.
What is given off of a radioactive rock?
Neutrons
What era are we currently in?
The Cenozoic era.
Two things exchanged between systems
Matter and Energy
Goal of phenomenon learning?
Solve a problem. Figure stuff out.
One reason biodiversity is important
Services, $$, Livable Planet, Beauty
How did the moon form?
Collision with another planet.
What does the geologic time scale show?
Changes in life. Evolution.
This image is what eventually led to ESS.

An example of an unexplained phenomenon?
UFO, Bigfoot, Gravity, Ghosts
What has been the trend of biodiversity over the last 100 years?
Decline
In general rock on the bottom of a strata are _______.
Older
In what era/period did dinosaurs become extinct?
In the Cretaceous period.