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Kids Science project: Erupting Volcano

Y_lifter

Y_lifter

New member
I have the pleasure of building one with my Kid this month...
I think I know the basics of Vinegar, soda food coloring.

Comments and Sugguestions please..
 
that's correct.


make a video of it, though.
I've never seen one of those.
 
Y_Lifter said:


Expand please
Click to expand...

If you want it to be authentic use eggs, scrambled works best! preferably ones that are rotton! That way his Volcano will have methane gas spewing out of it!
 
I'm looking to see if I can thicken the red colored acid liqued(vinig) some how, so when I add the base(soda) it flows slower..
 
This is straight outta The Brady Bunch.
 
In a container mix about 10 drops of red food dye into about a pint of vinegar. This should be good for several "explosions".
Place about a half cup of baking soda into crater
When you're ready to amaze people pour about 2 tablespoons of your red vinegar into the crater and boom....instant Pompeii.
 
Zebo said:
In a container mix about 10 drops of red food dye into about a pint of vinegar. This should be good for several "explosions".
Place about a half cup of baking soda into crater
When you're ready to amaze people pour about 2 tablespoons of your red vinegar into the crater and boom....instant Pompeii.
Click to expand...

thanks..
 
just make sure your kid makes hit. i remember when i used to do science fairs there would projects that were so good that it was blatantly obvious that his/her parents made it.
 
sugar: 40
potassium nitrate: 60



mix together, heat slowly in a burner in a pan or beaker, stir occasionally, mixture will look like peanut butter soon, then get globs and put fuses in them and let dry... bam, light the fuse and instant thick smoke cloud...

couple that with baking soda vinegar and you got yourself a badass volcano
 
corn starch and water will form a long chain polymer that will increase in length when energy is added to it - meaning that it thickens and turns to goop - even more so when it is tossed around in the hands, hit with a flat impact, or heated.

Never added corn starch to vinegar before, so I don't know if that will work.

I have made a crapload of those volcanos though. They were a cheap way for me to have fun on summer days. My dad showed me the science, and then my mom had the cooking stuff that I would take and then later get in trouble for.

I think for those, they all are pretty low tech since it is a wet and fairly low reactive reaction (doesn't cause heat or high pressure unless you contain it).

You could put it in a coffee container with a divider at the bottom - one side you have the vinegar, the other side the powder.
In the plastic lid, poke a small hole - then cover said hole with your finger and violently toss the can from side to side - this will cause the two to pass over the barrier inside and then react - the finger covering the hole will prevent the gasses to release easily and pressure will build up - once you remove your finger, if given enough material on the inside, then it should spray up fairly well.

The downside of that system is that it is hard to keep them separate - might do better having the power in first, then putting a small bowl of the liquid on top of that - then the jostling will mix it.


If you want more explosive variations - I can expound on those - I went through a pyro stage and could tell you a lot.
You could simulate the explosions in flour factories - that would be a fun demo.
 
i have nothing to add here except i did this with my dad for a science project one year. we used that strange looking Orangina bottle and built the volcano onto it using modeling clay. we painted it brown then put some goats on it along with half lego man bodies so it looked like they were trapped and screaming in the lava. we weren't all sophisticated though in the use of food dye. probably why i didn't win!!
 
Last edited:
The volcano! This was one of my favorite memories from school as a kid. I have no idea how it was made, but I seem to remember that steel wool was used somehow and when it burned, it got all fluffy and slid down the sides like lava.
 
I know you can make a badass pipe bomb by getting a pipe and two ends, then putting a bunch of Baking soda in it and a well-sealed glass bottle of vinegar in it. Epoxy a rock to the inside of one of the caps and seal it really well with plumbers tape.

Then when you're ready whack the pipe bomb on the ground with the rock side down, throw it as far as you can and get behind something.

I've always wanted to try that.
 
OMGWTFBBQ said:

You could simulate the explosions in flour factories - that would be a fun demo.
Click to expand...

That might make a wicked pyroplastic flow. Use the food dye etc for the regular lava just to start things off then BAM hit em with a fire ball. On the inside of the crater you would need a decent hot flame (liker a bunsen blue flame). Next to that a funnel with some corn starch or flour resting in it. Bottom of funnel is attached to a rubber tube that goes down through the volcano and out of the bottom.......then into your hand. When you are ready blow through the tube so the corn starch is directed into the flame. Instant fire ball :) Dunno whether the products would settle like a pyroplastic flow but it would be cool either way.

Regarding the lava made using vinegar and baking soda, you might thicken it by inserting the container where the reaction happens in a pile of flour. As it comes over the side of the reaction vessel it would mix with the flour and thicken up.

My niece needs to hurry up and grow up so I can help her with this project.
 
OMGWTFBBQ said:
(doesn't cause heat or high pressure unless you contain it).
Click to expand...

Put bicarb in a balloon..........add vinegar...........knot the balloon.........run like fuck (after puttign the balloon inside the volcano).
 
Try adding magnesium flakes and a supervised open flame near it...bright lights and erruption!
 
Thanks for the great ideas so far..

I think we will built 2 volcanos.
One for testing in case we blow up something....

You all do realize this is being done INSIDE of a classroom right ?

LOL at goats and 1/2 buried Pompeii victims..

I'll post up pics of our volcano before/during and after...

Other Ideas still welcome..
 
chlorine (pool chlorine 2%) alcohol (rubbing alcohol ) in snapple bottle work really well....make sure you breathe in real after it goes "bang"
 
Y_Lifter said:
I have the pleasure of building one with my Kid this month...
I think I know the basics of Vinegar, soda food coloring.

Comments and Sugguestions please..
Click to expand...

Pure Sodium(500g) + Water = BIG BANG :)

You can also use pure potassium but then you'd probably blow up the classroom.

Fonz
 
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