ACES Activity of the week: Participants: 8 kids and 3 parents. Pop...pop...pop...exploded the ziploc bags with vinegar and baking soda (and little food coloring for more fun). Exploding lunch bags was the first of the three experiments we did today to learn about the reaction between sodium bicarbonate (baking soda) and acetic acid (vinegar)...a classic acid-base reaction. Demo: I wrapped a tablespoon of baking soda in paper towel and dropped it in a ziploc bag pre-filled wit