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| The transfer of heat by the mass movement of heated particles into an area of cooler fluid |
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| A white or colored circle or set of concentric circles of light seen around a luminous body, especially around the sun or moon. |
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| Removal from an office or position. |
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| Also called migration. an intermingling of molecules, ions, etc., resulting from random thermal agitation, as in the dispersion of a vapor in air. |
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| the volatilization or evaporation and subsequent condensation of a liquid, as when water is boiled in a retort and the steam is condensed in a cool receiver. |
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| a form of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space |
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| Electromagnetic radiation |
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| radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x-rays, and gamma rays. |
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| the entire spectrum, considered as a continuum, of all kinds of electric, magnetic, and visible radiation, from gamma rays to long rays. |
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| a depiction of the amount of energy in each trophic level of an ecosystem |
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| the time when the sun crosses the plane of the earth's equator, making night and day of approximately equal length all over the earth |
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| the highest region of the atmosphere, where the air density is so low that a fast-moving air molecule is more than 50 percent likely to escape from the atmosphere instead of hitting other molecules. |
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| to bring (the wings) close to the body, as a bird on alighting. |
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| a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community. |
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| any remains, impression, or trace of a living thing of a former geologic age, as a skeleton, footprint, etc. |
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| any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life. |
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| the separation of volatile components of different boiling points in a mixture by the gradual increase of temperature and the separate collection of each component. |
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| the moon when the whole of its disk is illuminated, occurring when in opposition to the sun. |
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| a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. |
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| the basic physical unit of heredity; a linear sequence of nucleotides along a segment of DNA that provides the coded instructions for synthesis of RNA, which, when translated into protein, leads to the expression of hereditary character. |
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| the genetic makeup of an organism or group of organisms with reference to a single trait, set of traits, or an entire complex of traits. |
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| a sugar, C 6 H 12 O 6 , having several optically different forms, the common dextrorotatory form (dextroglucose, or d -glucose) occurring in many fruits, animal tissues and fluids, etc., and having a sweetness about one half that of ordinary sugar, and the rare levorotatory form (levoglucose, or l -glucose) not naturally occurring. |
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| the dark organic material in soils, produced by the decomposition of vegetable or animal matter and essential to the fertility of the earth. |
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| emplacement of molten rock in preexisting rock. |
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| not vertebrate; without a backbone. |
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| Kinetic molecular theory is also known as the kinetic theory of gases. It is used to explain the various macroscopic properties of gases. |
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