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THE EARTH IS OUR LARGEST CHEMISTRY LABORATORY

  • It’s Almost The Size of the Moon. The Earth’s inner core is surprisingly large, measuring 2,440 km (1,516 miles) across.
  • It’s Hot…Hot.
  • It’s Mostly Made of Iron. It Spins Faster Than the Surface of the Earth. …
  • It Creates a Magnetic Field.
The outer core is about 1,400 miles thick, and it’s made mainly of a combination (called an alloy) of molten iron and nickel, along with small amounts of other dense elements like gold, platinum, and uranium. These metals can, of course, be found on the surface of Earth in solid form. Answer 3: It turns out that many materials can be stable at a higher temperature if the pressure is also higher. The inner core is solid because it is made of very dense or heavy materials like iron and nickel. Even though it is scalding, these materials don’t “melt” very quickly, so they stay solid. VERN BENDER     VERN BENDER          VERN BENDER
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