Miss Di Stefano

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Earth Science

• Miss Di Stefano
• 4th Grade
• Science

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Layers of the EARTH
INNER CORE 800 miles thick and up to 13,000 F
CRUST 5 to 25 miles thick and up to 1,600 F
OUTER CORE 1,400 miles thick and up to 11,000 F
MANTLE 1,800 miles thick and up to 8,000 F
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TYPES OF ROCKS

• Igneous
• Sedimentary
• Metamorphic

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IGNEOUS ROCKS

• Formed from molten material including volcanic
  lava, ash, or bombs as well as magma below
  Earths surface

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TYPES OF IGNEOUS ROCKS
BASALT
GRANITE
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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

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TYPES OF SEDIMENTARY ROCKS

LIMESTONE
SHALE
COAL

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METAMORPHIC ROCKS

• Rocks that are changed by intense heat and
  pressure while inside Earths surface
• Igneous, sedimentary, and even metamorphic rocks
  can be changed into different metamorphic rocks

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TYPES OF METAMORPHIC ROCKS
SLATE
MARBLE
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ROCK CYCLE

• The rock cycle is a never-ending process of rocks
  forming, weathering, and changing into other rocks

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ROCK CYCLE