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Grade 7 Ch I1 Vocab

Pearson Weather and Climate

QuestionAnswer
Electromagnetic waves waves that transfer electric and magnetic energy through the vacuum of space
radiation the direct transfer of energy be electromagnetic waves
Jet stream bands of high speed winds about 10 kilometers above Earth’s surface
ultraviolet radiation electromagnetic waves with wavelengths that are shorter than visible light but longer than Xrays
Cirrus wispy, feathery clouds made of ice crystals that form at high levels
greenhouse effect the process by which heat is trapped in the atmosphere by gases that form a “blanket” around Earth
cumulus fluffy, white clouds, usually with a flat bottom, that look like rounded piles of cotton
thermal energy the total energy of motion in the particles of a substance
stratus clouds that form in flat layers and often cover much of the sky
cloud seeding tiny crystals of silver iodide and dry ice are sprinkled into clouds from airplanes to try and produce rain
conduction the direct transfer of thermal energy from one substance to another that it is touching
convection the transfer of thermal energy by the movement of a fluid
convection currents the circulation of a fluid as it alternately heats up and cools down
Coriolis effect the change the Earth’s rotation causes in the motion of objects and that explains how winds curve
anemometer an instrument used to measure wind speed
windchill factor a measure of cooling combining temperature and wind speed
Psychrometer an instrument used to measure relative humidity
Created by: DawnSimpson
Popular Earth Science sets

 

 



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