Lambertville Public Library held a children’s Mad Science program Dec. 30.
Adeline Donnelley, 8, watches as heat causes a balloon attached to a bottle to expand during the Mad Science program at the Lambertville Public Library Dec. 30.
Adeline Donnelley, 8, watches as heat causes a balloon attached to a bottle to expand during the Mad Science program at the Lambertville Public Library Dec. 30.