Things You'll Need:
- Salt dough 1 gallon milk jug Baking pan 1 tbsp red food coloring 4 cups salt 4 tbsp cooking oil 4 cups water. 12 drops of liquid detergent. 4 tbsp baking soda
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Step 1
Make a salty dough using 12 cups of flower, 4 cups of salt, 4 tablespoons of cooking oil and 4 cups of water in a gallon size mixing bowl. Work all the ingredients by hand until they make a smooth and firm dough. Add more water to help the mix remain consistent.
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Step 2
Stand the milk jug in the baking pan. Mold the dough mixture around the milk jug, being careful not to drop any dough in the jug. Keep the hole in the jug clear. Take your time and be artistic in your forming of the volcano. Add details such as little trees, little people and buildings. All these item can be purchased at your local hobby store.
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Step 3
Fill the gallon milk jug most of the way with water and add a tablespoon of the red food coloring. Mix the water and food coloring to get a uniform coloring.
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Step 4
Put 12 drops of the liquid detergent into the milk jugs. Add about 4 tablespoons of baking soda.
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Step 5
Have your fellow students stand back and very slowly pour the vinegar into the bottle. It is advisable to wear an apron for this part. Red "lava" will spew out of your volcano and run down the sides. The active ingredient here is carbon monoxide gas which is the same gas produced in a real volcano on a much bigger scale.
