Volcano Tutorial

Mr Duyvken is in Belfast at the moment for his brother's wedding. His brother and soon-to-be bride also live here in Sydney so there was a lot of volcano watching going on earlier in the month. Once they were safely on the plan and winging their way north we decided to make our own Eyjafjallajokul. If you want to play along at home, this is how we did it.
First we got out all our supplies - a paper plate, a disposable cup, foil, baking powder, white vinegar, sticky tape and scissors. Then we constructed a model of Eyjafajalljokul using the plate, cup and foil (not to scale),
We prepared the main vent to allow access to the magma chamber,
We poured 2 tablespoons of water into the cup,
Stirred in 2 tablespoons of baking powder,
And then (as quickly as possible because the baking powder starts a reaction as soon as it is mixed with a liquid) we poured 2 tablespoons of white vinegar in as well,
We all took a quick step back but we needn't have worried because it produced a fairly small 'larva' flow. There was definitely a reaction that produced a lot of carbon dioxide bubbles forcing the mixture out of the small container so the kids were pleased although not overwhelmed. In true Duyvken-child fashion they were totally over it about 30 seconds later.
I can recommend trying it yourself, we had a lot of fun for 20 or 30 mins while we were getting it all organised, it is all stuff we had in the kitchen and cleanup was a snap. I'd love to hear from you if you try it!

Comments

The Coffee Lady said…
We loved this - we did it a while ago with food colouring added. So clean-up wasn't so good.
Hapi said…
hello... hapi blogging... have a nice day! just visiting here....
Mary said…
It occurs to me that of everyone I know you are the one person who would be the most gorgeous home schooling mother - you are such a patient person!

this would have demented me!
Limecat said…
I love those things. Not made one, but they did some fabulous ones at my son's nursery.

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