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Geology

Geology. DEFINITION. GEOLOGY. Greek Earth. The study of. Geology = The study of Earth. INNER CORE. HOT!!!! – Thought to be as hot as the surface of the Sun! Solid Composed of Iron and Nickel. OUTER CORE. HOT! (but not as hot as the inner core) Liquid

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Geology

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  1. Geology

  2. DEFINITION GEOLOGY Greek Earth The study of Geology = The study of Earth

  3. INNER CORE • HOT!!!! – Thought to be as hot as the surface of the Sun! • Solid • Composed of Iron and Nickel

  4. OUTER CORE • HOT! (but not as hot as the inner core) • Liquid • Composed of Iron and Nickel

  5. MANTLE • Still hot! – but not as hot as the core! • Largest layer • Composed of various materials • Solid and liquid

  6. CRUST • Cool • What we live on • Composed of rocks, various materials make up the crust • Solid or Liquid?

  7. SOLID!!!! Even though 70% of the Earth’s surface is water, there is crust under the water. The water sits on top of the crust!

  8. The Earth’s crust moves!!!!! • The continents have not always been arranged like they are today. - The Earth’s crust is divided into segments called plates.

  9. http://www.uwmc.uwc.edu/geography/101/pananim.htm

  10. Pangaea • Supercontinent that existed 250 million years ago • All the land made up 1 continent until its split into the modern day configuration of the continents. • Discovered by Alfred Wegner in 1912, but not accepted by the public until after his death in the 1950’s.

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