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Igneous means made from fire or heat. When volcanoes erupt and the liquid rock comes up to the earth's surface, then new igneous rock is made. When the rock is liquid & inside the earth, it is called magma. When the magma gets hard inside ... Obsidian is nature’s glass. It forms when lava cools quickly on the surface.
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www.rocksforkids.com/RFK/howrocks.html
www.rocksforkids.com/RFK/howrocks.html
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Igneous rock - Wikipedia, the free encyclopedia
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Igneous rock (from the Latin ignis meaning fire ) is one of the three main rock types (the others being sedimentary and metamorphic rock). Igneous rock is formed by magma (molten rock) being cool...
en.wikipedia.org/wiki/Igneous_rock
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Igneous crystals are formed when freely moving atoms in melted rock become arranged in orderly patterns as they cool. ... If magma starts cooling slowly, forming large crystals, but then erupts, the remaining liquid forms small crystals around the large crystals. If magma does not cool until it reaches Earth's surface,
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www.classzone.com/books/earth_science/terc/content/inve...
www.classzone.com/books/earth_science/terc/content/investigations/es0603/es0603page05.cfm
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All four of these images show igneous rocks—each one formed as melted rock cooled and solidified. Examine the rocks and consider their similarities and differences. ... 1. Describe the four igneous rocks shown in the images...
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www.classzone.com/books/earth_science/terc/content/inve...
www.classzone.com/books/earth_science/terc/content/investigations/es0603/es0603page01.cfm?chapter_no=investigation
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www.brynmawr.edu/geology/102/lectures/PlanetEarth/sld00...
www.brynmawr.edu/geology/102/lectures/PlanetEarth/sld005.htm
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On the earth's surface, there are three types of rocks, metamorphic, sedimentary, and igneous. In northern Canada, much of the hard rock found is igneous rock. Igneous rock is rock formed by ... intrusive rocks vary from thin sheets to huge, irregular masses. Since magma that forms intrusive rocks solidifies slowly,
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www.edu.pe.ca/southernkings/igneousjj.htm
www.edu.pe.ca/southernkings/igneousjj.htm
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Burial of the sediment (or igneous rock) increases the pressure and temperature of the rock and they begin to cook. "Cooked" rocks are called metamorphic rocks.
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topex.ucsd.edu/es10/lectures/lecture10/lecture10.html
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Well it acyually comes from a volcano. When it erupts. The lava rocks and the lava will on the ground or sea. In about a few years it will harden and will turn smoother than before. So that is an igneous rock ... How Do Igneous Rock Forms ?
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www.blurtit.com/q474643.html
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