This classic baking soda and vinegar science experiment never gets old in our house—we just find new ways to put a new spin on an old favorite. Today we’re sharing this easy Fizzy Shapes Kids Science Experiment to show the reaction of a base and acid. We use some cookie cutters and plastic molds to form baking soda shapes, freeze them, and then watch the science happen as we mix baking soda and vinegar! [Read more…]