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Geology 1010 Exam 1 Dr. Coulson Clemson 2023/2024 already graded A+
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Geology 1010 Exam 1 Dr. Coulson Clemson 2023/2024 already graded A+
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Geology 1010 Exam 1 Dr. CoulsonClemson
What is science? - ANSOne way of viewing the world around us ex.(historical, religious,
philosophical)
What does science rely on? - ANSFacts
What is a principle? - ANSA fact that was a revelation in the field.
What are the 4 steps of the scientific method? - ANSObservation (Step 0), Question,
Hypothesis, Collect Data, Evaluate
What is a Theory? - ANSA hypothesis that has been tested with a significant amount of data.
What is a law? - ANSA law is an almost irrefutable hypothesis.
What must you have to challenge scientific ideas? - ANSYou must have data and you must use
facts.
What is geology? - ANSStudy of the earth
How old is Geology? - ANSVery young, about 200 years old.
What is Catastophism? - ANSEverything can be explained by 6 catastrophes that shaped the
Earth.
Who is the grandfather of Geology? - ANSJames Hutton
Where is James Hutton from? - ANSScotland
Who wrote "The Theory of Earth" and when was it written? - ANSJames Hutton wrote The
Theory of Earth in 1795.
What principle did James Hutton write about in his book? - ANSPrinciple of Uniformitarianism
What is the Principle of Uniformitarianism? - ANSThe processes that are going on on Earth
today have been going on since the beginning of Earth. "Present is the key to the past"
What is actualism? - ANSPrinciple of Uniformitarianism but the processes don't have to happen
at the same rate.
, What did the solar system look like > 6 bya? - ANSNo solar system, just a nebula of H atoms.
How fast do meteorites come into our atmosphere? - ANS40km/s or 90,000 mph
What is a nebula? - ANSA cloud of gas and dust in outer space
What are the steps of the Nebular Hypothesis? - ANSStep A: Gravity
Step B: Solar Disk Model
Step C: Protostar
Step D: Fusion
What is Step A of The Nebular Hypothesis? - ANSGravity pulled the H atoms together.
What is Step B of the Nebular Hypothesis? - ANSSolar Disk Model: flattens to a disk, gas
rotates.
What is Step C of the Nebular Hypothesis? - ANSProtostar: Early formations of a star.
What is Step D of the Nebular Hypothesis? - ANSHigh temps create Fusion: Atoms combine by
fusion
What happens to a Protostar once fusion stars happening? - ANSA Protostar becomes a Star
What does Ga mean? - ANSBillion years ago
What is planetary accretion? - ANSDust and ice begin to collide, building bigger and bigger
objects. (ex. Meteors striking the Earth)
About how long ago did Earth come together? - ANS4.5 Ga
Does planetary accretion still happen? - ANSYes! The rate is just slowed down.
What is the Theia Impact? - ANS50 mil yrs into Earth's existence and Earth collides into another
planet the size of Mars called Theia.
What two things happened due to the Theia impact? - ANS1. Lunar Formation of Moon
2. Earth became a molten planet
What happened when Earth was a molten planet? - ANSSince a lot of the rock was magma or
lava it allowed the Earth to stratify based on density. This is why Earth has different layers. The
layers then re-solidified and this is why they have different densities.
What does Ma stand for? - ANSMillion years ago
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