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 …showed first 75 words of 1377 total…

…showed last 75 words of 1377 total…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.