Shared Flashcard Set

Details

Vocab-odds n' ends
Science
22
Science
7th Grade
10/28/2010

Additional Science Flashcards

 


 

Cards

Term
thermosphere
Definition
theuppermost layer of the atmosphere
Term
air pressure
Definition
teh measure of a force with which air molecules push on a surface
Term
altitude
Definition
the height of an object abovr earths surface
Term
troposphere
Definition
the atmodpheric layer
Term
troposphere
Definition
the lowest layer of the atmosphere
Term
stratosphere
Definition
the atmospheric layer above the troposhere
Term
ozone
Definition
a das molecule that is made up of three oxygen atoms and that abosorbs ultrsviolent radiation from the sun
Term
mesosphere
Definition
the coldest layer of the atmosphere
Term
radiation
Definition
teh transfer of energy as elecromagnetic waves, such as visible light or infared waves
Term
conduction
Definition
thetransfer of thermal energy from one material to another by direct contact;can also occur within a substance
Term
global warming
Definition
a rise in average global temps.
Term
trade winds
Definition
winds that bow from 30 degrees latitude to the equator
Term
convection
Definition
the transfer of thermal energy by the circulation of movement of a liquid or a gas
Term
greenhouse effect
Definition
the natural heating process of a planet, by which gases in the atmosphere trap thermal energy
Term
wind
Definition
moving air
Term
coriolis effect
Definition
the curving of moving objects from a straight path due to the earths rotation
Term
westerlies
Definition
wind belts found in both Norhtern and Southern hemispheres between 30-60 degrees latitude
Term
jet streams
Definition
narrow belts of highspeed winds that blow in the upper troposphere and the lower stratosphere
Term
primary pollutants
Definition
pollutants that are put directly into the air by human or natural activity
Term
seconday pollutants
Definition
pollutants that form from chemical reactions that occur when primary pollutants come in contact with other primary pollutants or with naturally occuring substances, such a water vapor
Term
polar easterlies
Definition
wind belts that extend from the poles to 60 degrees latitude in both hemispheres
Term
acid precipitaion
Definition
precipitaion that contains acids due to air pollution
Supporting users have an ad free experience!