Shared Flashcard Set

Details

Global Warming/The Water We Drink
Study Guide Chapter 3
15
Chemistry
Not Applicable
10/05/2010

Additional Chemistry Flashcards

 


 

Cards

Term
Greenhouse Gases
Definition
a gas capable of absorbing infrared radiation (IR) and re-emitting it as heat.
Term
Greenhouse Effect
Definition
the process by which atmospheric gases trap IR radiation and returns it to the surface of the earth as heat.
Term
Global Warming
Definition
the observed increase in the average temperature of the surface of the earth.
Term
Enhanced Greenhouse Effect
Definition
the phenomenon of greenhouse gases return more than 80% of absorbed IR radiation to the surface of the earth as heat.
Term
Average Temperature of the earth's surface
Definition
59 degrees F
Term
Earth's Greenhouse Gases
Definition
water(varies)

Carbon dioxide
methane
nitrous oxide

O3 cfcs, hfc(not as relative)
Term
Earth formed
Definition
~4.6 billion years ago
Term
Photosynthesis
Definition
the process by which carbon dioxide and water are converted to glucose(sugar)and oxygen gas in the presence of sunlight and chlorophyll.
Term
Life appeared
Definition
~3.8 billion years ago
Term
100,000 year cycle
Definition
temperature maxima come approximately every 10,000 years
Term
11- year cycle
Definition
temperature maxima appoximately every 11 years
Term
sun evolution
Definition
getting hotter
Term
other temperature cycles
Definition
23,000 41,000
Term
3 ways the earths orbit changes
Definition
eccentricity, precession, and tilt
Term
4 causes of climate changes on the Earth
Definition
Variation in Sun's activity
Orbit of Earth
Volcanic Eruptions
Greenhouse Gases
Supporting users have an ad free experience!