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25 Cards in this Set
- Front
- Back
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nuclear reaction in which small nuclei join together releasing lot of energy; all stars produce energy this way
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fusion
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gamete-producing phase in a plant characterized by alternation of generations
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gametophyte
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very high energy wave (ten thousand to ten million electron volts); part of the electromagnetic spectrum
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gamma rays
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phase of matter in which the particles are moving fastest and are the furthest away from one another
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gas
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the unit of genetic information that contains the code for a a particular trait
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gene
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alteration of an organism's genetic material to eliminate undesirable traits or produce desirable ones
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genetic engineering
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a taxonomic category ranking below a family and above a species and genereally consitsing of a group of species exhibiting similar characteristics, used either alone or followed by a Latin adjective or epithet, to form the name of a species
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genus
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early model of the universe in which Earth is the center of the universe
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geocentric model
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energy from the inside of Earth
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geothermal energy
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a moving mass of ice formed over many years in which snowfall exceeds melting
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glacier
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cell or organ that produces a secretion for use elsewhere in the body or in a body cavity or for elimination from the body
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gland
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increase in the Earth's temperature due to pollution from the burning of fossil fuels
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global warming
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rate of ascending or descending change between values
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gradient
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device used to measure volum
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graduated cylinder
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unit of mass
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gram
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common, coarse-grained, light-colored, hard igenous rock consisting chiefly of quartz, orthoclase or microcline, and mica, used in monuments and for buliding
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granite
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segment of a circle respresenteing the shortest distance between two terrestrial points
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great circle
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natural force of attraction between any two massive bodies, which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them
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gravity
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energy of position
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gravitational potential energy
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the trapping of infrared radiation by pollution in Earth' atmosphere
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Greenhouse Effect
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gases that trap solar energy
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greenhouse gases
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water beneath the Earth's surface, often between staruated soil and rock, that supplies wells and springs
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groundwater
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warm ocean current that originates form the Straits of Florida and travels in a gerneral NE direction up along the coast of Europe
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Gulf Stream
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area or type of environment in which an organism or ecological community normally lives
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Habitat
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a comet named after Edmund Halley, with a period of approzimately 76 years, the first one for which a return was successfully predicted, last appeared in 1986
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Halley's Comet
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