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33 Cards in this Set
- Front
- Back
the study of the earth and the universe around it
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earth science
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4 major areas of study
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the solid earth, the oceans, the atmosphere, the universe beyond it
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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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geology
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the study of the earth's oceans
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oceanology
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the study of the earth's atmosphere
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meteorology
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the study of the universe beyond the earth
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astronomy
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the solid earth
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geosphere
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it'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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the study of the complex relationships between living things and their environment
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ecology
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a community of organisms and the environment they inhabit
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ecosystems
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terms ecology and ecosystems come from____?
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greek word: oikos (means house)
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largest ecosystem
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biosphere
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the contamination of the environment with waste products or impurities
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pollution
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able to be broken down into component parts by microorganisms
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biodegradable
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organized, logical, approaches to scientific research
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scientific methods
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using the senses of sight touch, taste, hearing, and smell to gather info about the world
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observation
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comparison of a property of an object or phenomenon with a standard unit
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measurement
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a possible explanation or solution to a problem
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hypothesis
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a scientific procedure carried out according to certain guidelinesB
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experiment
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an experiment set up to test a variable
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controlled experiment
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a hypothesis or a set of hypotheses that are supported by the results of experimentation and observation
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theory
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a rule that correctly describes a natural phenomenon
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scientific law
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band of various colors of light
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spectrum
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the distance from the crest of one wave to the crest of the next
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wavelength
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a substance, such as hydrogen or iron, that can't be broken down into a simpler form by ordinary chemical means
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element
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a series of thin colored lines spaced at uneven intervals
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bright-line spectrum
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the apparent shift in the wavelengths of energy emitted by an energy source moving away from or toward an observer
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Doppler effect
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instrument that splits white light into a band of colors
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spectroscope
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large systems of stars
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galaxies
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some of the matter gathered into clumps that evolved into galaxies
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big bang
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low levels of energy
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background radiation
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theory that all matter and energy in the universe was compressed into an extremely small volume suddenly, billions of years ago, began expanding in all directions
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big bang theory
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