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 Earth's atmosphere at a particular time and place |
|
atmosphere |
the relatively thin layer of gases that form Earth's outermost layer |
|
water vapor |
water in the form of a gas |
|
density |
the amount of mass in a given volume |
|
air pressure |
The pressure caused by 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 is opening resting in a dish of mercury |
|
aneroid barometer |
An instrument that messures changes in air pressure without using liquid |
|
altitude |
Elevation above sea level |
|
troposhere |
The lowest layer of Earths atmosphere |
|
stratosphere |
The second lowest layer of earths atmosphere |
|
mesosphere |
The layer of earths atmosphere immediately above the stratosphere |
|
thermosphere |
The outermost layer of earths atmosphere |
|
ionosphere |
the lower part of the thermosphere |
|
exosphere |
the upper part of the thermosphere |
|
electromagnetic waves |
A wave that can transfer electric and magnetic energy through a vacuum of space |
|
radiation |
the transfer of energy by electromagnetic waves |
|
infrared radiation |
Electromagnetic waves with wavelengths that are longer than visible light but shorter than a microwave |
|
ultraviolet radiation |
electromagnetic waves 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 |
|
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 |
|
thermometer |
an instrument used to measure tempature |
|
thermal energy |
the total kinetic and potential energy of all particles in an object |
|
heat |
The transfer of temperature from a warmer object to a colder object |
|
convection |
The transfer of thermal energy through a liquid |
|
conduction |
the transfer of thermal energy from one object to another |
|
convection currents |
the movement of a fluid, caused by differences i temperature that transfers heat from one particle of another |
|
wind |
the horizontal movement of air from an area of high pressure to an area of lower pressure |
|
anemometer |
an instrument used to measure wind speed |
|
windchill factor |
a measure of cooling 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 towards land |
|
land breeze |
the flow of air from land to a body of water |
|
global winds |
winds that blow directly in specific directions over long distances |
|
coriolis effect |
the effect of earths rotation and wind and water currents |
|
latitude |
the distance in degrees north to south of the equator |