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Open & Short Circuits Find out how to make an open and a short circuit. http: //energyquest.ca.gov/projects/open-short-...
Heavy Backpacks Heavy Backpacks http: //need.org/needpdf/IntHeavyBackpacks.pdf
Greenhouse Effect Why does it get really hot inside a car parked in the sun? It's the greenhouse effect. http: //energyquest.ca.gov/projects/greenhouse....
Infrared Hot Discover infrared by repeating Herschel's experiment, and learn the relationship between frequency and wavelength. http: //thirteen.org/edonline/ntti/resources/le...
Saving Hot Water Saving Hot Water http: //need.org/needpdf/IntSavingHotWater.pdf
Civilizations