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Volcanoes A volcano is a vent in the earth’s crust through which magma (molten rock) and gas are released. The magma, once it reaches the surface, is called lava. The lava forms a hill around the vent or opening. The lava can flow out as a viscous liquid, or it may explode from the vent as solid or liquid particles. Types of Volcanoes There are three different types of volcanoes that can be formed …

…through the earth’s crust. My Volcano For my demonstration I decided to show a volcanic eruption. The first thing I did was go to the craft store and buy some clay. I then molded a volcano shape out of the clay. To cause the eruption itself I mixed: dish washing detergent, red food die, warm water, vinegar, and baking soda. This combination causes the “lava” to flow out of the top of the volcano.