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volcanic eruption notes, Summaries of Environmental science

Environmental science

this all for notes in grade 9 quarter 3 module 2

Typology: Summaries

2023/2024

Uploaded on 12/10/2024

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kaguya-otsutsuki-5 🇵🇭

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Download volcanic eruption notes and more Summaries Environmental science in PDF only on Docsity!

(a Penseum Volcanic Eruption Processes Explained Volcanic Eruptions Introduction * In the previous lesson, we discussed the parts and types of volcanoes. * This lesson focuses on the process of volcanic eruptions. What is Magma? * Magma is a semi-liquid rock composed of: * Crystallized minerals * Dissolved gases * Extremely hot liquid * Found beneath the Earth's surface, much of the Earth's mantle consists of magma. * When magma erupts from a volcano, it is called lava. * Once cooled and solidified, it forms igneous rocks. * Temperature of magma ranges from 700 to 1300 degrees Celsius. Factors Affecting Volcanic Eruptions The nature of a volcanic eruption is influenced by several factors: