For this exploding sidewalk chalk experiment, we will be learning about and observing the chemical reaction between vinegar and baking soda, in a non-traditional and super fun way.
Conducting Your Exploding Chalk ExperimentFor this exploding sidewalk chalk experiment, students will have fun learning about chemical reactions using baking soda and vinegar.
3. Seal the bags and mix with your hands until cornstarch is dissolved.4. Set bags aside.5. Begin making baking soda bombs by placing 1 Tbsp. baking soda onto a square of toilet paper and folding it so the baking soda won’t spill out. Make one bomb for each Ziploc bag.
6. Outside, on a flat paved surface, open one corner of the Ziploc bag and drop in the baking soda bomb. 7. Quickly seal the bag back up.8. Shake the bag gently to release the baking soda and place it on the ground.