Talking Points:Talk with the students about WHY this reaction happens. Explain that it is a chemical reaction and that baking soda (base) is mixed with an acid (vinegar) they produce a gas – carbon dioxide! The carbon dioxide bubbles lift the corn, but as the bubbles pop, the corn falls back down!
(adapted from: littlebinsforlittlehands.com)
Grade Range: PreK-4
Time: 30 Minutes
Synopsis: Students are given materials necessary to create a fun chemical reaction. This is a great lesson to practice observation skills and making educated guesses as to what will happen