Making science fun and exciting for kids when they are young lays the foundation for the years ahead.  Have a blast with this simple science experiment , it was a huge hit with my son and one of his buddies at a play date we had yesterday.  I told the boys that we had a mystery to solve which powder would make the biggest eruption? That was all two 5 year old boys needed to hear.

1. Gather your materials. You will need some small containers , something for your little scientists to pour the vinegar out of ( ours were little food containers used for dip), cookie sheets to keep your kitchen from becoming a mess, a  and some paper and marker to make numbers. Then you will also need some baking powder, baking soda , cornstarch and vinegar.  I made a little chart but we didn’t use it , they were too excited and that excitement was my goal so we just asked questions and made predictions verbally.
2. Start by pouring the vinegar into a smaller container. This made it much easier to refill the cups between pours.
3. Fill the containers with the powder and place in order on the trays.
4. Call the kids.Have them check out the powders however they want and decide which will make the biggest eruption.
5. Pour ! #1 was baking powder which has baking soda in it so it bubbled over ( more than I expected ) but it didn’t erupt.
6. #2 was cornstarch and both boys declared it a “Dud” .
7. #3 was the grand finale and it didn’t disappoint.
8. After the experiment was over they played and poured until there were no more bubbles to be had. They were chattering so quickly to each other about droids and potions and giggling it was hard to catch what they were pretending it all was, but it was clear they were having a ball. After the play date was over my son asked to do more science at play dates. I am more than willing!