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28 Cards in this Set
- Front
- Back
Earth Science
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study of the earth and the universe around it.
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Geology
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study of the origin, history, and strcture of the solid earth and the processs that shape it.
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Oceanography
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study of the earth's oceans
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Meteorology
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study of the earth's atmosphere
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Astronomy
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study of the universe beyond the earth,
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Geosphere
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the solid earth
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Atmosphere
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thic blanket of gases surrounding the earth.
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Hydrosphere
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all the earth' water
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Ecology
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study of the complex relationships between livng things and their envirnment.
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Ecosystem
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community of organisms and the environment they inhabit
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Biosphere
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ecosystem encompassing all the life on earth and the physical environment that supports it.
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Pollution
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conamination of the environmen with waste products or impurities.
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Biodrgradable
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able to be broken down into component arts by microorganisms
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Scintific Methods
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organized, logical approaches to scientifi research.
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Observation
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act of using the senses to gather information
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Measurement
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comparison of a property of an object or phenomonon with a standard unit.
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Hypothesis
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possible explanation of a problem that is based on facts.
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Experimentation
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process by which a scientific procedure is carried out according to certain guidelines.
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Variable
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factor in an experiment that can be changed.
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Theory
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hypothesis or set of hypotheses supported by the results of experimentation and observation.
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Scientific Law
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rule that correctly describes a natutal phenomenon.
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Spectrum
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band of the various colors of light.
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Wavelength
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distance between wave crests
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Elements
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a substance that cannot be broken down into a simpler form by ordinary chemical means.
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Doppler Effect
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the apparent shift in the wavelengths of enegy emmitted by an energy source moving away from or toward an observer.
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Spectroscope
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instrument that splits white light into a band of colors.
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Background Radiation
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low levels of energy evenly distributed throughout the universe.
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Big Bang Theory
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theory that all matter and energy in the universe was compressed into an extremely small volume that suddenly, billions of years ago, began expanding in all directions.
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