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37 Cards in this Set
- Front
- Back
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weather |
the condition of Earth's atmosphere at a particular time and place |
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atmosphere |
the relatively thin layer of gases that form Earth's outermost layer |
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water vapor |
water in the form of a gas |
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density |
the amount of mass in a given volume |
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air pressure |
The pressure caused by the weight of a column of air pushing down on an area |
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barometer |
an instrument used to measure changes in air pressure |
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mercury barometer |
An instrument that measures changes in air pressure, consisting of a glass tube partially filled with mercury, with is opening resting in a dish of mercury |
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aneroid barometer |
An instrument that messures changes in air pressure without using liquid |
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altitude |
Elevation above sea level |
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troposhere |
The lowest layer of Earths atmosphere |
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stratosphere |
The second lowest layer of earths atmosphere |
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mesosphere |
The layer of earths atmosphere immediately above the stratosphere |
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thermosphere |
The outermost layer of earths atmosphere |
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ionosphere |
the lower part of the thermosphere |
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exosphere |
the upper part of the thermosphere |
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electromagnetic waves |
A wave that can transfer electric and magnetic energy through a vacuum of space |
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radiation |
the transfer of energy by electromagnetic waves |
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infrared radiation |
Electromagnetic waves with wavelengths that are longer than visible light but shorter than a microwave |
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ultraviolet radiation |
electromagnetic waves wavelengths that are shorter than visible light but longer than X-rays |
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scattering |
Reflection of light in all directions |
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greenhouse effect |
The trapping of heat near a planets surface by certain gases in the planets atmosphere |
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tempature |
How hot or cold something is, the measure of the amount of energy of motion of the particles of a substance,, the measure of the average kinetic energy in the particles of a substance |
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thermometer |
an instrument used to measure tempature |
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thermal energy |
the total kinetic and potential energy of all particles in an object |
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heat |
The transfer of temperature from a warmer object to a colder object |
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convection |
The transfer of thermal energy through a liquid |
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conduction |
the transfer of thermal energy from one object to another |
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convection currents |
the movement of a fluid, caused by differences i temperature that transfers heat from one particle of another |
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wind |
the horizontal movement of air from an area of high pressure to an area of lower pressure |
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anemometer |
an instrument used to measure wind speed |
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windchill factor |
a measure of cooling combining temperature and wind speed |
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local winds |
winds that blow over short distances |
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sea breeze |
the flow of cooler air from over an ocean or lake towards land |
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land breeze |
the flow of air from land to a body of water |
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global winds |
winds that blow directly in specific directions over long distances |
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coriolis effect |
the effect of earths rotation and wind and water currents |
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latitude |
the distance in degrees north to south of the equator |
