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Glittery Volcano

Glittery Volcano

This project is part science experiment, part sensory fun! The volcanic reaction of vinegar and baking soda, with some glitter for extra sparkle, exploding over corn starch made some wonderful pretend snow to play in. Although easy to set up, it occupied my kids for nearly an hour afterwards.

What You'll Need

  • vinegar (7 tbsps. ) - (these ingredients are for each volcano; be sure to have more so you can make multiple explosions!)
  • baking soda (6 tsps. )
  • water (1/3 c.)

How We Did It

Glittery Volcano
First, we assembled our ingredients and supplies.
Glittery Volcano
Spread the corn starch onto a tray or plate; set aside.
Glittery Volcano
Measure and pour the water into a bowl.
Glittery Volcano
Add the baking soda to the water.
Glittery Volcano

Add the dishwashing liquid.

Glittery Volcano
Sprinkle in the glitter. Stir.
Glittery Volcano

Set the bowl in the middle of the cornstarch. Pre-measure the vinegar into a jar or cup and pour on top of the water and baking soda mixture.

Glittery Volcano

Watch the volcanic reaction! Immediately, the mixture will foam and rise out of the bowl, spilling over onto the cornstarch. (For more information about the science behind this volcanic reaction, watch this YouTube video.

Glittery Volcano
When the mixture is done foaming, dump any of the remaining volcano into the cornstarch.
Glittery Volcano
Mix with your hands to make the snow.
Glittery Volcano
We formed snowballs...
Glittery Volcano
...and built snow mountains for our people figures to climb and play in.
Glittery Volcano

Lego figures were fun to play with, too. This pirate has conquered the mountain. (Argh!)

Comments

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We measured everything as directed. The volcanic part lasted exactly 15 seconds. After that, you dump it into the cornstarch and it's basically glorified, glittery oobleck. The girls had fun with it BUT after about 10 minutes their hands started itching. This has never happened before with water & cornstarch oobleck - I suspected it might be due to any combination of the other ingredients (baking soda, vinegar, soap, glitter, etc.). All in all, I would not do this activity again.

posted by: Melanie on 4.11.2016

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