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Let’s “Rock” Original presentation created by Leslie Williams, a teacher with the Graves County School District (Mayfield, Kentucky). Modified by Derek Osborne, Lincoln Park Elementary School, for Mona Shores Public Schools students. Layers of the Earth • Skin of the peach is the crust • Meat of the peach is the mantle • Pit of the peach is the core Layers of the EARTH CRUST 5 to 25 miles thick and up to 1,600 F MANTLE 1,800 miles thick and up to 8,000 F INNER CORE 800 miles thick and up to 13,000 F OUTER CORE 1,400 miles thick and up to 11,000 F TYPES OF ROCKS • Igneous • Sedimentary • Metamorphic IGNEOUS ROCKS • Formed from molten material including volcanic lava, ash, or bombs as well as magma below Earth’s surface TYPES OF IGNEOUS ROCKS GRANITE BASALT SEDIMENTARY ROCKS • Made of layers that have been pressed or cemented together • Pebbles, sand, silt, or clay are sediments • Shells and bones can also be sediments TYPES OF SEDIMENTARY ROCKS LIMESTONE SHALE COAL METAMORPHIC ROCKS • Rocks that are changed by intense heat and pressure while inside Earth’s surface • Igneous, sedimentary, and even metamorphic rocks can be changed into different metamorphic rocks TYPES OF METAMORPHIC ROCKS SLATE MARBLE ROCK CYCLE • The rock cycle is a never-ending process of rocks forming, weathering, and changing into other rocks ROCK CYCLE So what do you know… What are the four layers of the earth? So what do you know… Name three types of rocks. So what do you know… Name two types of Igneous Rocks So what do you know… Name three types of Sedimentary Rocks So what do you know… Name two types of Metamorphic Rocks