3rd Grade Science Fair Projects
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![How Clean is the Air You Breathe?](http://www.supplyme.com/cdn/shop/products/6588131357_225x225.jpg?v=1522782198)
How Clean is the Air You Breathe?
While it may seem to the naked eye that the air we breathe is clean and clea...
Read More![The Effect of Acid Rain on Aquatic Life](http://www.supplyme.com/cdn/shop/products/15504803_66c89de5f5_b_225x225.jpg?v=1522781637)
The Effect of Acid Rain on Aquatic Life
Photo © 2005 Rick Smit, Flickr Like smoking, pollution has "second-hand" ef...
Read More![Measuring & Comparing Salinity in Different Aquatic Environments](http://www.supplyme.com/cdn/shop/products/Ocean-Mist-Vince-Alongi_225x225.jpg?v=1522781605)
Measuring & Comparing Salinity in Different Aqu...
Photo © 2006 D. Vincent Alongi, Flickr Most of you have learned in life sci...
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