Quiz 1
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Hypothesis vs Theory
Hypothesis: a tentative or untested explanation Theory: Something that has been proven in the scientific community
What is not considered a science and why
Astrology because there is no explanation
What science is not in the textbook list of ones the encompass earth science
biology
What are the four Earthy system “spheres”
hydrosphere, geosphere, atmosphere, biosphere
what is larger a galaxy or a solar system
a galaxy
in scientific inquiry, one assumes the world is
consistent and predictable
what are the intervals of geologic time
eons, periods, epochs, ages
what is an atom that has gained or lost one or more electrons
ions
what are the categories of minerals
sulfides halides oxides nitrates sulfates phosphates silicates
who is considered the father of modern geology?
James Hutton
What evidence do geologists use to prove that the earth is billions of years old?
fossil rocks and using radiometric and radiocarbon dating
what two roles will each student have on a rotating basis in the inquiry exercises
presenter and recorder
is the earth a closed system?
yes
what is the distance from earth to the nearest star other than the sun
4 light years
what feedback mechanism enhances changes to a system or subsystem
positive feedback
why is plate tectonics considered a theory rather than a hypothesis
because it has been proven and there is evidence of why and how it happens it is not a law because it does not specify how fast they moved in the past or how they may move in the future
define astrology
study of the positions of celestial bodies interpreted as having an influence on human affairs
nebular theory
explains the formation of the solar system and planets -proposes they formed from a rotating cloud of interstellar gases (hydrogen & helium) and dust called the solar nebula
Distinguish between the sizes and relationships among planets, stars, galaxies, and the universe
planets orbit the sun (a star) and are smaller than stars, millions of starts make up a galaxy, and the entirety of the galaxy makes the universe
geology oceanology meteorology astronomy
geology is the study of the earth oceanology is the study of the ocean meteorology is the study of the atmosphere and the weather patterns astronomy is the study of the universe