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35 Cards in this Set
- Front
- Back
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study of earth and of the universe around it
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earth science
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study of the origin, history, and structure of the solid earth
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geology
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the study of earth's oceans
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oceanography
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the study of eath's atmosphere
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meteorology
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the study of the universe beyond earth
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astronomy
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the solid earth
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geosphere
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the earth's water
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hydrosphere
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the gases surrounding the earth
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atmosphere
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a community of organisms and the environment they inhabit
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ecosystem
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the largest ecosystem
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biosphere
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the contamination of the environment
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pollution
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can be broken down by microorganisms
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biodegradable
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guides to scientific problem solving
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scientific methods
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using your senses to gather information about the world
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observation
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involves the comparison of some aspect of an object of phenomenon
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measurement
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a possible explanation or solution to the problem
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hypothesis
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a scientific procedure carried out according to certain guidlines
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experimentaton
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a factor in an experiment
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variable
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a hypothesis that is supported by the results of the experimentaion
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theory
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a rule that that correctly describes a natural phenomenon
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scientific law
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sunlight passing through a glass prisom produced a rainbow of colors
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spectrum
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the distance from the crest of one wave to the crest of the next wave
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wavelength
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a substance that cannot be broken down into a simpler form by ordinary chemical means
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elements
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the apparent shift in the wavelenghths of energy emitted by an energy source moving away from or toward an observer
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Doppler effect
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contains a prism which splits starlight into a spectrum of different colors and wavelengths
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spectroscope
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using radio telescopes, researchers detected low levels of energy called _____ evenly distributed throughout the universe
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background radiation
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A theory scientist had in which a big amount of energy was in a small area
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big bang theory
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offers detailed information about careers in earth science
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Career Focus
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space probes
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Pioneer, Voyager, Galileo, and Ulysses
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come from Greek word oikos meaning "house"
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ecology and ecosystem
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a prcess in which plants use sunlight to produce food
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photosynthesis
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an experiment set up to test a variable
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controlled experiment
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series of colored lines
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bright line spectrum
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large systems of stars
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galaxies
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an event that sent all the matter and energy hurtling outward in a giant cloud
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big bang
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