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26 Cards in this Set
- Front
- Back
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earth science
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the study of earth and the universe around it
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geology
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the study of the origin, history, and structure of the solid earth and the processes that shape it
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oceanography
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study of the earths ocean
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meteorology
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study of the earths atmosphere
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astronomy
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the study of the universe beyond earth
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geosphere
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solid earth
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hydrosphere
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earths water
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ecology
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study of the relationship between complex things and their enviroment`
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ecosystem
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community of organisms and the enviroment they inhabit
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bioshpere
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the largest ecosystem
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pollution
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the contamination of the enviroment with a waste product or impurities
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biodegradeble
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can be broken down by microorganisms into harmless substances that can be used by other organisms
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observation
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use of sight,touch, taste,hearing,and smell
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measurement
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involves some aspect of an oject or phenomenon with a standard unit like meter
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hypothesis
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possible explanation to the problem
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experimentation
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scientific procedure carried out according to certain guidlines
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variable
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factor in the experiment that can be changed
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theory
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hypothesis that is supported by reuslts of experiments and observation
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scientific law
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rule that correctly describes a phenommenon
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spectrum
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rainbow of colors
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wavelenth
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the distance between a crest on one wave and a crest on another
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element
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a substance that cannot be broken down into a simpler from
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Doppler effect
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The apparent shift in the wavelengths of energy emmitted by an energy source moving away or toward an observor
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spectroscope
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contains a prism which splits starlight into a spectrum of different colors and wavelengths
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background radiation
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low levels of energy evenly distrubited around the universe
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big bang theory
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the universe is growing out
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