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What Are Causes of Volcanoes Erupting?
The volcano science project is a classic that has been recreated each generation. The student typically builds a papier mâché model of a volcanic mountain. The student then combines substances, such as vinegar, lemon juice, hydrogen peroxide,... More »
Difficulty: Easy
Source: www.ehow.com



Erupting volcanoes can pose many hazards, not only in the immediate vicinity of the ... Historically, so-called volcanic winters have caused catastrophic famines.

What causes a volcano to erupt and how do scientists predict ...


Nov 29, 1999 ... When a part of the earth's upper mantle or lower crust melts, magma forms. A volcano is essentially an opening or a vent through which this ...

What causes Volcanoes? - Geoscience Australia


Where plates move away from each other at spreading or divergent plate margins, volcanic eruptions are gentle extrusions of basaltic lava. Most of these occur ...

Why are there volcanoes? Why do they erupt? | Volcano World ...


Volcanoes erupt because of density and pressure. The lower density of the magma relative to the surrounding rocks causes it to rise (like air bubbles in syrup).

What causes a volcano erupt?


A volcano begins as melted rock (magma) which rises from deep inside the earth toward the surface. As the gas-filled magma rises ...

BBC - GCSE Bitesize: Key facts


Volcanoes form when magma reaches the Earth's surface, causing eruptions of lava and ash. They occur at destructive (compressional) and constructive ...

What Causes Volcanoes? Why do Volcanoes Erupt? - WorldAtlas.com


May 13, 2015 ... In spring of 2015, they were featured in the news heavily, primarily in Chile, with two recently active sites of volcanic activity. Calbuco erupted ...

Why do volcanoes erupt? | Earth | EarthSky


Aug 20, 2015 ... Volcanoes are channels that transfer molten rock from Earth's crust to the ... Some people believe volcanic eruptions are caused by fate. Others ...

Volcanoes - Weather Wiz Kids weather information for kids


Eruptions can cause lateral blasts, lava flows, hot ash flows, mudslides, avalanches, falling ash and floods. Volcano eruptions have been known to knock down ...

Popular Q&A
Q: What Are Causes of Volcanoes Erupting?
A: The volcano science project is a classic that has been recreated each generation. The student typically builds a papier mâché model of a volcanic mountain. The ... Read More »
Source: www.ehow.com
Q: What causes an eruption of a volcano?
A: The amount of pressure that pushes up the magma in a volcano Read More »
Source: wiki.answers.com
Q: What causes the eruption of a volcano?
A: this is hard to explain,but here it goes: the mantle currents below the surface rise because of the hot core.they have to get away and cool down before they go ... Read More »
Source: answers.yahoo.com
Q: What causes volcanoes eruptions?
A: Many volcanoes occur in subduction zones. These are areas where oceanic crust is being subducted under continental crust. As the crust is thrust under the conti... Read More »
Source: answers.yahoo.com
Q: What cause the volcano to erupt?
A: because it`s very hot Read More »
Source: wiki.answers.com