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The Rock Cycle

An introduction to the rock cycle

Brittany Seidmeyer

on 20 October 2012

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Transcript of The Rock Cycle

an introduction The Rock Cycle Igneous rock is formed when molten rock cools and becomes solid. Molten rock is lava that has cooled down after a volcanic eruption. Igneous Rocks These rocks are made from the tiny bits of other rocks. They make up about three quarters of the rocks on Earth. Sedimentary Rocks When sedimentary rocks are smashed together over a long period of time and/or exposed to a high level of heat they turn into.... Heat and Pressure These rocks undergo metamorphism; a change in form. They are formed deep under the Earth's surface. Over time, uplift and erosion bring these rocks to the surface. Metamorphic Rocks Igneous rocks undergo weathering and erosion; breaking down into small pieces by the effects of the weather. Weathering & Erosion 2b. Students know how to differentiate among igneous, sedimentary, and metamorphic rocks by referring to their properties and methods of formation. California Science Content Standard
Grade 4 - Earth Science Weathering can either be mechanical or chemical. http://www.minimegeology.com/shop/images/Obsidian_W.jpg http://facweb.bhc.edu/academics/science/harwoodr/geol101/labs/sediment/images/Sed06.jpg http://facweb.bhc.edu/academics/science/harwoodr/geol101/labs/metamorf/images/Meta01.jpg Sources http://www.cotf.edu/ete/modules/msese/earthsysflr/rock.html Let's Review! Rock Cycle Like almost everything on Earth, rocks are created and destroyed in cycles. The rock cycle is a concept that describes the formation, breakdown, and reformation of rocks. Back to Igneous In order for metamorphic rock to return back to igneous rock, it must be buried deep in the Earth where it becomes magma, rises back up to the earth, cools and crystallizes into igneous rocks. Picture Credits Videos Youtube - Most amazing vocano footage Youtube - weathering, erosion, & deposition Youtube - The Geology Kitchen The Rock Cycle
http://www.learner.org/interactives/rockcycle/diagram.html The Learning Zone
http://www.oum.ox.ac.uk/thezone/rocks/cycle/index.htm Exploring Earth
http://www.classzone.com/books/earth_science/terc/content/investigations/es0602/es0602page01.cfm The Rock Cycle
http://imnh.isu.edu/digitalatlas/geo/basics/diagrams.htm Geology for Kids
http://kidsgeo.com/geology-for-kids/0025B-rock-cycle.php How Rocks are Formed
http://www.rocksforkids.com/RFK/howrocks.html Mineralogy for Kids
http://www.mineralogy4kids.org/rockcycle/rockcycle.html Rock Cycle Webquest
http://garfield.wyandotte.org/knappd/rock%20cycle%20webquest/index.htm Web Quest This Quest will help you gain further understanding of what we have just learned. Follow the link and get started! http://garfield.wyandotte.org/knappd/rock%20cycle%20webquest/index.htm Rock Cycle
http://library.thinkquest.org/J002289/cycle.html?tqskip=1&tqskip1=1&tqtime=0901 The rock cycle
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