Volcano

Materials

* Vinegar
* Bread soda
* A large spoon
* Glass container

Methods
1. Add about half a glass of vinegar to a glass container
2. Just mix a few droips opf food colouring
3. Add a large spoon of bread soda

The volcano should erupt nicely. If you wish the volcano to erupt over the container just add more vinegar and bread soda, care should always be taken with food colouring as it does stain clothes.


What happens

Bread soda is a base substance and vinegar is an acidic substance. WHen the two substances are mixed they react. This reaction causes a foam and emits Carbon dioxide.