Our Pumpkin Volcano Science Activity is Easy Science!
Simple science activities you can make with quick, accessible, and affordable ingredients is my favorite kind of science! Any sort of baking soda science eruptions are sure to please any kid and adult too. Our year of preschool science ideas has many fun ways to enjoy simple science experiments. like this pumpkin volcano science activity at home
WE ALSO HAVE SOME GREAT PUMPKIN BOOKS PAIRED WITH PUMPKIN STEM ACTIVITIES!
SUPPLIES FOR MAKING A PUMPKIN VOLCANO
One small pumpkin, baking soda, vinegar, food coloring {optional}, dish soap, and water.
First , get your pumpkin! I bought this baking pumpkin for $2 at at the grocery store when I was shopping. All the way home Liam talked about making a volcano because he remembered the volcano we made in our dinosaur sensory bin. The bigger the pumpkin the more baking soda and vinegar you will need and the bigger the mess you will make!
Second, you will need to hollow it out! This is a fun activity on its own and great for pumpkin sensory play. Save the insides for some additional sensory play if your child likes messy and squishy play. I planned to make a sensory bag with the gooey stuff so he could examine it more later! I loosened the insides and gave him different kinds of spoons to work on scooping out the seeds and stuff. You could also carve a face!
Third, find a container to put inside the pumpkin or use the pumpkin itself. We couldn’t decide which to try since we had never tried this before, so we ended up trying it three different ways. We used a cup, a small soda bottle and the pumpkin itself to test out what kind of eruption would happen with each.
WHAT’S THE SCIENCE?
We talked a bit about why the eruption happens. The baking soda is a base and the vinegar is an acid. When they combine a chemical reaction takes place and a gas is produced. The gas is carbon dioxide which fizzes and bubbles. This is easier done by showing him the reaction, so we added the vinegar! We also explained that another type of reaction is the surprise he felt when he saw the fizzing foam come out!
Here’s the mixture I made to fill the cup, bottle and pumpkin:
- 1. warm water mixed with food coloring filled to about 3/4 full
- 2. 4-5 drops of dish soap
- When you are ready to make the eruption
- 3. A few tablespoons of baking soda: then get ready to add….
- 4. 1/4 cup of vinegar and watch with delight!
Here are the variations with the soda bottle and just the pumpkin!
With this variation of the science activity, the eruption got a little more height so it looked a little different from the others. When we were done with the bottle, we took it out and dumped it into the pumpkin which created a huge eruption and led us to just try it in the pumpkin itself!
As you can see from his expressions he had a great time with this pumpkin volcano science activity. He wanted to be the one to make the reaction happen after he saw us do it the first time, so we let him pour the vinegar by himself! We had lots of eruptions from this little pumpkin and lots of mess!
This was one of my favorite pictures of our pumpkin volcano science activity! The pumpkin was completely surrounded with fizzing, foaming, bubbling ooze! Fall is an awesome time to experiment and explore with nature with all kinds of autumn activities for kids including a pumpkin-cano.
THE PERFECT FALL ACTIVITY WITH A PUMPKIN VOLCANO!
Original article and pictures take http://littlebinsforlittlehands.com/pumpkin-cano-sensory-science-activity/ site
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