7th Grade Science 
Weather, Climate & Atmosphere

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Atmosphere Webquest
Air Pressure:
http://urbanext.illinois.edu/treehouse/airpressure.cfm?Slide=3
http://aspire.cosmic-ray.org/Labs/OurAtmosphere/atm_measure2.html
http://scienceprojectideasforkids.com/2010/weather-air-pressure/

Wind:
http://www.weatherwizkids.com/weather-wind.htm
http://www.phschool.com/atschool/phsciexp/active_art/global_winds/

Air Masses & Fronts:
http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/af/home.rxml

Weather Quiz:
http://www.funbrain.com/weather/index.html

National Climate Change Assessment

Global Climate Change