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13 Cards in this Set
- Front
- Back
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Geo = Earth Logos = Discourse Geology is the study of Earth's composition, structure, and the processes that have shaped it |
What is geology? |
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Crust |
composed of oxygen & o-seeking elements such as Si, Al, Ca, Na, and K -oceanic (basalt) and continental (granite) |
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Mantle |
composed of Fe, Mg, Si, Al |
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Core |
composed of Fe and Ni |
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Charles Lyell |
who said "the present is the key to the past"? |
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through extensive investigation, experimentation, and testing of evidence |
how does a hypothesis become a theory? |
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Qualitative |
data composed of observations, descriptions, drawings, concept sketches, and comparisons |
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Quantitative |
data composed of measurements, maps, ages, and rates |
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-identifying features -depicting the occurring processes -characterizing the relationships between the features and processes |
what are the 3 parts of a concept sketch? |
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Mass |
the amount of matter contained in an object |
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Weight |
the measurement of gravitational pull on an object |
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youngest rocks on top, oldest rocks on bottom |
what is the law of superposition? |
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older |
clasts that make up a rock are older or younger than the rock itself? |
