channels which form when the surface of a large lava flow hardens but the lava beneath remains molten and continues to flow. The third type of volcano is the composite volcano. The model still looks cool and could be used for a geography project, for example. You can also research volcano forms and choose your favorite from out of all of them. These are the most violent eruptions and also have very violent ejecta. Examples of bases include laundry detergent and household ammonia. Add 6 drops of detergent to the bottle contents. In a container place some of the baking soda.
Volcanoes Essay, research, paper, volcanoesA volcano
Dangerous ash flows called Nuee adrdente are common during this eruption. The dome that is formed over a period of time involving multiple one to ten meter thick lava flows. Click here to share your story. These solid ejecta are generally termed pyroclasts. Safety: Though the reagents are harmless, it might be a good idea to take precautions to make sure the stuff bubbling off doesn't get in your eyes. They measure five to thirty- two millimeters in diameter. My Volcano For my demonstration I decided to show a volcanic eruption. In rare cases these blocks can weigh many tons. One of the by-products this reaction creates is carbon dioxide, which creates a fizzy explosion. Try to make the clay lumpy and uneven to resemble a real volcano.