Shared Flashcard Set

Details

Science ch 1 sec 3+4
revere ch1 sec 3+4 test cards
20
Science
7th Grade
10/11/2009

Additional Science Flashcards

 


 

Cards

Term
Troposphere height
Definition
0km-16km
Term
troposphere -Tropo def
Definition
turning and changing
Term
troposphere contains...
Definition
...nearly all the mass of the atmosphere, contains all weather, and all water.
Term
stratosphere height
Definition
16km-50km
Term
stratosphere strato- means
Definition
layer or spread out
Term
stratosphere contains...
Definition
all O 3 +reflects or absorbs sun uv rays
Term
mesosphere height
Definition
50km-80km
Term
-meso means
Definition
middle
Term
mesosphere ...
Definition
burns meteors making shooting stars
Term
thrmosphere height
Definition
80km-1000's of km
Term
thermo
Definition
means heat
Term
thermosphere...
Definition
air is thin temp is as high as 1,800 Celsious
Term
lonosphere height
Definition
80km-400km
Term
lonosphere...
Definition
reflects radio waves back to earth and makes northern lights
Term
exosphere height
Definition
400km-outerspace
Term
exo-
Definition
means outer
Term
exosphere...
Definition
extends for thousands of kms then eventually blends in
Term
natural pollutants
Definition
pollutants that occur naturally in the environment such as forest fires soil erosion dust storms molds pollen and erupting volcanoes
Term
human pollutants
Definition
heman activities that cause pollution such as farming construction fuels vehicle exhaust and more
Term
photochemical smog
Definition
a smog that is crfeated when sunlight interacts with [ollutants like hyydrocarbons and nitrogen oxide creating a brownish mixture of ozone and otherpollutants
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