Term
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Definition
| the upper level of the atmosphere |
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Definition
| small organisms that float in the atmosphere |
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Term
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Definition
| the area around earth that is affected by the earth's magnetic field |
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Definition
| the changing of a substance from a liquid to a gas |
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Term
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Definition
| a mixture of gases that surrounds the earth |
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Term
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Definition
| high frequency radiation from the sun |
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Term
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Definition
| the changing of a substance from a gas to a liquid |
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Term
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Definition
| the lower part of the atmosphere |
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Term
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Definition
| the continuous flow of plasma from the sun |
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Term
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Definition
| the layer of gas around the earth that protects all life from UV radiation |
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Term
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Definition
| band of high-energy radiation in the magnetosphere |
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Term
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Definition
| solid particles in the atmosphere |
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Term
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Definition
| an instrument used to measure wind speed |
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Term
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Definition
| the boundary between air masses |
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Term
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Definition
| a large, rotating tropical storm system with speeds of at least 74 MPH |
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Term
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Definition
| an instrument used to measure atmospheric pressure |
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Term
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Definition
| the amount of water vapor in the air compared with the amount that the air can hold at a particular temprature |
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Definition
| a small rotating funnel of air that has high wind speeds and low central air pressure |
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Term
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Definition
| clouds stretched out in layers across the sky |
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Term
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Definition
| puffy white low-level clouds |
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Term
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Definition
| lines that connect points of equal atmospheric pressure |
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Term
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Definition
| the pressure exerted by the Earth's atmosphere at any given point |
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Term
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Definition
| the winds that blow from 30 degrees latitude to the equator |
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Term
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Definition
| narrow bands of high-speed winds over both hemispheres |
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Term
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Definition
| thin feathery high-level clouds |
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Term
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Definition
| a large body of air with a constant temperature and humidity level |
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Term
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Definition
| resources that are constantly available or that can be replaced within a relatively short amount of time through natural processes |
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Term
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Definition
| a narrow ditch cut in the earth by runoff |
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Term
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Definition
| a liquid fossil fuel beneath the ground |
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Term
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Definition
| plowed ditches in farmland |
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Term
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Definition
| the construction of steplike ridges that follow the slope of the land |
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Term
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Definition
| the planting of alternating bands of crops and cover vegetation |
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Term
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Definition
| places where rocks are removed from the ground |
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Term
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Definition
| the plowing of furrows around a hill perpendicular to its slope to reduce erosion |
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Term
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Definition
| organic matter such as crops or waste products that contains stored energy and is used to produce fuel |
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Term
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Definition
| energy collected from the trapped heat in the earth's crust |
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Term
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Definition
| resources that can't be replaced once they are used or can be replaced only over long periods of time |
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Term
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Definition
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Term
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Definition
| electricity produced from the power of moving water |
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Term
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Definition
| a substance made from decayed plant fibers |
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Term
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Definition
| fuels formed over millions of years from the buried remains of dead plants and animals |
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Term
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Definition
| a solution formed when pollutants from waste in sanitary landfills seep into the ground water |
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Term
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Definition
| a dense brownish formed when hydrocarbons together with nitrogen oxides react in the presence of sunlight |
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Term
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Definition
| discarded useless materials |
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Term
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Definition
| the contamination of the air by harmful gases and tiny solid and liquid particles |
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Term
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Definition
| a substance or condition of the air by harmful gases and tiny solid and liquid particles |
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Term
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Definition
| the burning of waste materials |
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Term
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Definition
| materials produced by the generation of energy in nuclear power plants |
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Term
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Definition
| holes in the ground in which wastes are compacted and covered with soil |
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Term
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Definition
| toxic waste products that can cause serious health problems or even death |
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Term
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Definition
| a small hot faint star and the end of its life |
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Term
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Definition
| an extremely small dense star whose particles have become neutrons |
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Term
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Definition
| how bright a light appears to an observer |
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Term
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Definition
| a spinning neutron star the gives off pulses of radiation at regular intervals |
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Term
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Definition
| the apparent shift that [insert rest of definition here] |
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Term
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Definition
| a star at the end of its life cycle that expands and cools as it runs out of hydrogen |
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Term
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Definition
| the apparent shift in frequency of waves emitted by a moving source |
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Term
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Definition
| the death of a large star by explosion |
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Term
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Definition
| the actual brightness of a star - how bright it would appear if all stars were the same distance away |
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Term
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Definition
| a massive object with gravity so strong that not even light can escape it |
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Term
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Definition
| a large system of stars held together by gravity |
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Term
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Definition
| a section of the sky the contains a recognizable star pattern |
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Term
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Definition
| the diagonal patter of stars on the H-R diagram from top left to bottom right |
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Term
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Definition
| the theory that the mon was created from materials ejected when a large object struck earth |
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Term
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Definition
| the point in the moon's orbit in which it is closest to the earth |
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Term
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Definition
| deep channels that run through the moon's maria |
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Term
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Definition
| the casting of a shadow of one celestial body on the surface of another |
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Term
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Definition
| the different shapes of the moon made visible by reflected sunlight |
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Term
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Definition
| a loose layer of rock and dust on the surface of the moon |
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Term
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Definition
| a natural or artificial body that orbits a planet |
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Term
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Definition
| the point in the orbit of the moon at which it is farthest from the earth |
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Term
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Definition
| a lowland plain of hardened lava on the moon |
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Term
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Definition
| growing appearance of the moon |
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Term
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Definition
| the point in earth's orbit in which the sun is farthest north or south, causing the day with the most or least daylight hours |
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Term
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Definition
| the point in earth's orbit at which the sun crosses the plane of earth's equator, causing the hours of day and night to be the same all around the world |
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Term
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Definition
| the shrinking appearance of the moon |
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Term
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Definition
| storms on the sun's surface that send out tremendous bursts of radiation and particles |
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Term
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Definition
| bands of colored or white light in the atmosphere caused by charged particles from the sun interacting with earth's upper atmosphere |
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Term
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Definition
| the bright streak of light caused by a meteoroid burning up in the earth's atmosphere |
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Term
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Definition
| a small body of loosely packed ice rock gas and cosmic dust that gives off a tail of gas and dust as it passes near the sun |
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Term
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Definition
| a small rocky body that orbits the sun |
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Term
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Definition
| a flow of charged particles from the sun's corona |
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Term
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Definition
| the halo of dust and gas around a comet as it approaches the sun |
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Term
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Definition
| minor planets - rocky bodies that orbit the sun |
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Term
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Definition
| a meteoroid that strikes the earth |
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Term
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Definition
| fiery bursts of gas shooting hundreds of thousands of kilometers into space and looping back to the sun's surface |
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Term
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Definition
| the spherical region that surrounds the solar system |
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Term
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Definition
| an object that orbits a star and shines by reflected light |
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Term
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Definition
| the large gaseous outer planets of the outer solar system |
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Term
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Definition
| the small dense rocky planets of the inner solar system |
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