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33 Cards in this Set
- Front
- Back
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weather |
the condition of Earth's athmosesphere at a particular time and place. |
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atmosphere |
the envelope of gases that surround the planet |
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water vapour |
water in the form of a gas |
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densisity |
the amount of mass in a given volume |
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air pressure |
the weight of a cloumn of air pushing on an area |
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barometer |
in intusment used to measure air pressure. |
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mercury barometer |
a long glass tube with one side open and the other closed |
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aneroid barometer |
has an airtight metal chamber that is sensitive to air pressure |
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altitude |
the distance from sea level or elevation |
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troposphere |
inner lowest layer of Earths atmosphere |
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stratosphere |
the second layer of Earth's atmosphere |
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mesosphere |
the third layer of the atmosphere |
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thermosphere |
the outermost layer of the atmosphere |
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ionosphere |
the lower layer of the thermosphere |
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exosphere |
the outer layer of the thermosphere |
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electeomagnetic waves |
a form of engery that can travel though a vaccum |
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radiation |
a direct transfer of energy though elecromagnetic waves |
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infered radiation |
electeomagnetic energy longer than the wave legths longer than those of red light |
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ultra violet radiation |
an invisible form of engery thats wavelethes are shorter than that of violet light |
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scattering |
dust sized particicles and gases in the atmosphere, dipersed light in all directions |
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greenhouse effect |
gases that hold heat inside earths amosphere |
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thermal energy |
total engery of motion in the particles of a subject |
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thermometer |
a device that mesures tempreature |
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convection |
transfer of heat by the movement of blue rays |
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conduction |
transfer of heat between substences that are in dirct contact. |
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convextion current |
the upward movement of warm air and the downward movement of awesome air |
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wind |
movement of air parrell to Earth's surface |
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anemometer |
three or four cups that spin on an axle and measure wind speed |
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wind chill factor |
increases cooling that wind can cause. |
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local wind |
winds that blow over short distences |
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global winds |
winds that blow over long distences |
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coliolois effect |
the way earths rotaintion causes wind |
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latitude |
the distence from the equator measured in degrees. |
