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