Weekly Blog 10/5 - 10/9 - Volcanoes Unit

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 Summary: 
In this science unit, we (the class) are learning about volcanoes. Volcanoes are usually formed from "hot spots" in the Earth's continental or oceanic crust(s). Those spots begin to grow and form. The magma inside the volcano has actually come from mostly parts of the Earth's mantle. There are four main types of volcanoes. There is Cinder cone volcanoes,Shield volcanoes,composite volcanoes and Dome volcanoes. As they are all volcanoes they all look different and erupt differently. Like a Dome volcano is one of the interesting ones (in my opinion) because Dome volcanoes function in which their magma is pushing out of the volcano. That is because hardened magma is staying above the magma. Once the magma and other gases push hard enough, that pressure destroys most of the rock bits and flings them into the air. With the magma traveling upward, the volcano will seem to have erupted.
Science And Engineering Practice: SP2: Developing and using models: Earlier this week (Monday) my table-mates and I got to see how cinder cone volcanoes function. First, we put a tube with baking soda or salt into the inside of the volcano. Then, someone had to pour a liquid into the tube and then cap it quickly. If we waited long enough and timed it correctly, the experiment would've ran smoothly. We will see the cap pop off while the vinegar liquid is pouring out. That is how dome or cinder cone volcanoes work. Those two volcanoes are actually similar, judging their actions. Both of them push against some kind of pressure that is holding the magma down.

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