Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
37 Cards in this Set
- Front
- Back
weather |
the condition of earths atmosphere at a particular time and place |
|
water vapor |
water in the form of gas |
|
atmosphere |
the relatively thin layer of gases that form earths outermost layer. |
|
density |
the measurement of how much mass of a substance is contained in a given volume |
|
air pressure |
the pressure caused the weight of a column of air pushing down on an area |
|
barometer |
an instrument used to measure changes in air pressure |
|
mercury barometer |
an instrument that measures changes in air pressure, consisting of a glass tube partially filled with mercury, with its open end resting i a dish of mercury |
|
aneroid barometer |
an instrument that measures changes in air pressure without using a liquid |
|
altitude |
elevation above sea level |
|
troposphere |
the lowest layer of Earth's atmoshpere |
|
stratosphere |
the second lowest layer of eaths atmosphere |
|
mesosphere |
the layer of earths atmosphere immediatly above the stratosphere |
|
thermosphere |
the outer most layer of earths atmosphere |
|
ionosphere |
the lower part of the thermosphere |
|
exoshpere |
the outer layer of the thermosphere |
|
electromagnetic waves |
a wave that can transfer electric and magnetic energy through the vacuum of space |
|
radiation |
the transfer of energy by electromagnetic waves |
|
infrared radiation |
electromagnetic waves with wavelenths longer than visible light but shorter than microwaves |
|
ultraviolet radiation |
electromagnetic waves with wavelengths that are shorter than visible light but longer than x-rays |
|
scattering |
reflection of light in all directions |
|
greenhouse effect |
the trapping of heat near a planets surface by certain gases in the planets atmosphere |
|
temperature |
how hot or cold something is; a measure of the average energy of motion of the particles of a substance; the measure of the average kinetic energy of the particles of a substance. |
|
thermal energy |
the total kinetic and potential energy of all the particles in an object |
|
thermometer |
an instrument used to measure temperature |
|
heat |
the transfer of thermal energy froma warmer object to a cooler object |
|
convection |
the transfer of thermal energy by the movement of a fluid |
|
conduction |
the transfer of thermal energy from one particle of matter to another |
|
convection currents |
the movement of a fluid caused by differences in temperature, that tranfers heat from one part of the fluid to another |
|
wind |
the horizontal movement of air from an area of high pressure to an area of low pressure |
|
anemometer |
an instrument used to measure wind speed |
|
windchill factor |
a measure of coling combining temperature and wind speed |
|
local winds |
winds that blow over short distances |
|
sea breeze |
the flow of cooler air from over an ocean or lake toward land |
|
land breeze |
the flow of air from land to a body of water. |
|
global winds |
winds that blow steadily from specific directions over long distances |
|
coriolis effect |
the effect of earths rotation on the direction of winds and currents |
|
latitude |
the distance in degrees north or south of the equator |