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17 Cards in this Set
- Front
- Back
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 the contour line has the same elevation.
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Contour interval
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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 atom (protons&neutrons)
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Atomic symbol
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The letter 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 isotopes mass number in 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 of physical means.
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Mineral
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A naturally occurring, inorganic crystalline mineral with a unique chemical composition.
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