Things Required-
Procedure-- 6 cup flour
- 2 cup salt
- 4 tea spoon cooking oil
- 2 cup of water
- Plastic soda bottle
- Detergent
- Red food coloring
- Large tray
- 2 Tea spoon baking soda
- Vinegar
- Mix first 4 ingredients and make a dough. This dough must be smooth and Firm.
- Stand the soda bottle on the tray. Mold the dough around the bottle and shape it like a volcano. Leave mouth of bottle.
- Fill 1/3rd of bottle with warm water and add food coloring. Add 6 drop of detergent to the bottles (this helps control bubbles formed during the reaction)
- add 2 teaspoon baking soda
- now slowly put vinegar in the bottle
Tip- you can decorate the volcano to make it look beautiful in a fair or any other program by painting volcano or giving it a background
How it works
Baking soda ( sodium bicarbonate ) reacts with vinegar (acetic acid) to form carbon dioxide this carbon dioxide comes out in form of bubbles and we see a volcanic eruption.
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