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27 Cards in this Set
- Front
- Back
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Earth Science
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an organized body of knowledge about the earth
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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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the study of the earth's oceans
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meterology
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the study of the earth's atmosphere
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astronomy
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the study of the universe beyond the earth
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geosphere
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the solid earth
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hydrosphere
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the earth's water
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atmosphere
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the gases surrounding the earth
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ecology
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the area of science in which biology and earth science are closely connected
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ecosystem
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a community of organisms and the environment that they inhabit
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biosphere
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the largest ecosystem it encompasses all life on earth and the physical environment that supports it
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pollution
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the contamination of the environment with waste products
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biodegradeable
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waste products that can be broken down by microorganisms into harmless substances that can be used by other organisms
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scientific method
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an organized logical approach to scientific research they are not a set of rules but guidelines to follow
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observation
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using the senses (sight, touch, hearing, smell) to gather information about the world
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measurement
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involves the comparison of some aspect or phenomenon with a standard unit
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hypothesis
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a possible explanation of solution to the problem
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experimintation
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a scientific procedure carried out according to certain guidelines testing the variable to approve or disprove the hypothesis
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variable
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a factor in an experiment that can be changed
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theory
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a hypothesis or set of hypothesis that is supported by the result of experimentation and observation that is consistent with known facts
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scientific law
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a well established theory through research and experimentation
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spectrum
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R O Y G B I V the color of the rainbows
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wavelength
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the distance from the crest of one wave to the crest of the next
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Doppler effect
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the apparent shift in the wavelengths of energy emitted by the energy source moving away or toward an observer especial in light
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spectoscope
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used to study starlight to determine the elements present in the star it splits the star into a spectrum of different colors and wavelengths
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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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a possible theory of the origin of the universe
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