Friday, June 29, 2012

Exploding ziploc bags

I found on Pinterest a great science activity to experiment with the kids on All things beautiful blog -

The ingredients for this experience are baking soda, vinegar, paper towel or toilet paper, measuring spoons, ziploc bags and water.

When I told my son that we would mix baking soda and vinegar he immediately got very excited because he remembered our experience with the volcano, which I posted on Jun 6th. He explained to his  sweetheart friend, who was at our house, what happens when we mix these two products; with a big jump and excitement he said: "It explodes!!!!!!!"


1 - We used toilet paper instead of paper towel, and teared it into a rectangle shape, measuring about 15 inches, and folded it in half. Then we put 1 1/2 tablespoons of baking soda in the center of the paper, and folded it nicely into a small square, we prepared 5 of them.

2 - Afterwards the kids poured into the bag 1/4 cup of warm water and 1/2 cup of vinegar. 

3 - The All things beautiful website suggested to drop the time-release packet into the vinegar and zip the bag closed before the fizzing gets out of control. You can zip the bag halfway closed, then stuff the packet in and zip the bag closed the rest of the way in a hurry, or you can put the time-release packet into the mouth of the bag and hold it up out of the vinegar by pinching the sides of the bag. Zip the bag closed and then let the packet drop into the vinegar. One way or another, get the packet in the vinegar and zip the bag closed. So we closed the bag almost completely and left just a small space to fit the stuffing bag. Then I put it into the bag and held it before letting it mix with the vinegar and water mixture. 

4 - Following we shook the bag, put it on the floor and stepped back. As soon as the bag hit the floor it started to inflate and then exploded, making a pop sound. The kids loved that, all I could hear was the children giggling and saying WOW!!!!!!!!!!!!!!!

It was a great science experiment and the pop sound was so cheered!!!!!!! It is amazing how much they love the baking soda and vinegar mixture effect :), I guess what fascinates them most is the explosion. Its an unexpensive experiment that teaches whilst learning.


  1. I am so pleased that you had so much fun with this. I know my boys loved it,too. I would love to add this link to my post, if you don't mind and please come by and link up to my Summer Learning with Pinterest.