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17 Cards in this Set
- Front
- Back
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Latitude:
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The distance north or south of the equator, measured in degrees.
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Longitude:
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The distance east or west of the prime meridian, measure in degrees.
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Contour Line:
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Line on a topographic map that indicates an elevation; Every point along a contour line has the same elevation.
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Contour Interval:
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On a topographic map, tells the distance in elevation between adjacent contour lines.
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Hypothesis:
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A tentative explanation that is tested to determine if it is valid.
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Theory:
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A well-tested and widely accepted view that explains certain observable facts.
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System:
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Any size group of interacting parts that form a complex whole.
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Atomic number:
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The number of protons in the nucleus of an atom.
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Atomic mass:
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Weight of Atoms, Protons and Neutrons.
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Atomic Symbol:
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The letters used to represent the element on the periodic table.
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Covalent Bond:
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A bond that forms when atoms share electrons
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Ionic Bond:
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A bond that forms between negative and positive ions.
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Metallic Bond:
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A bond that forms when electrons are shared by metal ions.
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Compound:
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A substance formed by the chemical combination of two or more elements in definite proportions and usually having properties different from those of its constituent elements.
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Isotope:
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An atom with the same number of protons but different numbers of neutrons for a given element; An isotope's mass number is different from that of the given element.
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Element:
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A substance that cannot be broken down into simpler substances by ordinary chemical or physical means.
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Mineral:
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A naturally occurring, inorganic crystalline material with a unique chemical composition.
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