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The whole planet ________ is made rocks of ______and minerals ____________. pure A mineral is a _____ the same substance--it is ___________ all the way through. That means that a mineral is either an _________or a element compound _____________. All rocks are made of two or minerals more _________. Crystals _________________ are minerals that have had enough room to develop into the shape they were meant to be. Quartz crystals from Arkansas https:/.../images/ArkansasCrystal867.jpg Copper sulfate crystals. http://z.about.com/d/chemistry/1/0/e/P /coppersulfate.jpg The chemicals that make up a mineral determine the ____________ of the shape crystals ______________ it forms. Earth Cross-Section Inner Core Outer Core Mantle Crust Earth Cross-Section crust Earth’s ________ is made up of rocks and minerals. Much of the crust is covered ice by ___________, liquid water ________, sand soil _________and _______. If you dig deep enough, you will always hit rocks. The crust includes all the soil _________. horizons The crust is less than ____ 1% of the total mass of Earth. Earth Cross-Section The mantle is the solid casing of the Earth. _____ The mantle makes up about _______ of Earth’s 70% mass. ______________comes Some magma mantle from the __________. Earth Cross-Section Inner core is ______, solid ___________ outer core is _______. liquid ___________ Some magma ______________ comes from the __________. outer core Made mainly of _______ iron and nickel ________. 30% of Makes up about ___ Earth’s mass. Constant ___________________ of recycling material in ______________________ Earth’s crust http://www.matt-willard.com/artwork/design/Rock-Cycle.jpg http://www.mattwillard.com/Artwor k/Graphic_Design/ Rock-Cycle.jpg Igneous rock 1._____________ molten rock that cools and solidifies. www.beg.utexas.edu library.thinkquest.org 2._______________rock Sedimentary layers of rock fragments that were compressed and cemented together. They often contain fossils __________. www.lifefamilytraining.com Metamorphic rocks – 3.________________ igneous or sedimentary rocks that have been compressed and heated without melting _______________________. MARBLE www.geology.neab.net Igneous rocks form when hot ______________ liquid rock cools and changes into a __________. solid molten rock is This __________ magma called __________. The process of ___________ melted rock changing into ___________ solid rock is solidification called _____________. cnsm.csulb.edu uraniumminerals.com keith.martin.home.att.net two There are ________ main types of igneous rock, depending on _________________ where the magma _______. cools ________ Intrusive igneous rocks: ______ magma cools somewhere inside Earth’s _______. crust This type of rock cools off very _______. slowly www.windows.ucar.edu/.../ig_intrusive.html 3dparks.wr.usgs.gov/carrizo/html/b014.htm ________ Extrusive igneous rocks: magma ______ erupts from a ________ volcano and cools ________ quickly on the _________. surface http://volcano.oregonstate.edu/vwdocs/vwlessons/ lessons/Slideshow/Igrocks/Obsidian6.jpg Igneous rocks usually crystals contain _________. http://www.teacherstech.org/mackensteinre/PEGMATITE_big.jpg Crystals are ______ large if the magma cooled _______. slowly They are ______ small if the magma cooled _______. quickly www.outreach.canterbury.ac.nz/.../page6.shtml library.thinkquest.org Crystal Cave of Giants Largest Crystals Ever Found On Earth Discovered in Mexico http://www.canyonsworldwide.com http://www.canyonsworldwide.com http://www.canyonsworldwide.com