Fifth grade made models of hot air balloons to launch. October 31,2014.
http://21stcenturypa.com/wp/wp-content/uploads/2014/11/IMG_20141030_100629.jpg1536204821stadminhttp://21stcenturypa.com/wp/wp-content/uploads/2020/08/horizontal-title-small-300x138.png21stadmin2014-11-03 17:21:222014-11-03 17:21:365th Grade Hot Air Balloons