[DOC] [TLE] Inner core - Wikipedia [PAR] The Earth's inner core is the Earth's innermost part and according to 
seismological studies, ... It is composed of an ironnickel alloy and some light 
elements. ... The Earth was discovered to have a solid inner core distinct from its 
liquid outer ... Earth's volume, the inner core is believed to consist primarily of a 
nickel-iron alloy. [DOC] [TLE] What Is Earth's Core Made of? | Wonderopolis [PAR] The inner core, which is about 750 miles thick, is made primarily of iron. ... With a 
gigantic ball of solid metal as its core, all of Earth is magnetic. ... solid; crust; core; 
iron; dense; thick; liquid; mantle; nickel; magma; primarily; deepest; alloy; 
composition ... We're glad you thought to stop by Wonderopolis for your project! [DOC] [TLE] Layers of the Earth [PAR] The earth is made up of layers (crust, mantle, outer core, and inner core). Each 
one has ... of the Earth. It is believed that this inner core is a solid ball of mostly 
iron, and nickel. ... The crust is composed of two basic rock types granite and 
basalt. [DOC] [TLE] What are the main two metals making up the earth's core ... [PAR] The inner core is mostly iron, while the outer core is composed of both nickel and 
... Is there a dense sphere of solid iron and nickel at the center of the Earth? [DOC] [TLE] Earth's Rotating Inner Core Shifts Its Speed - Live Science [PAR] May 13, 2013 ... Under the liquid-metal outer layer of the Earth's core is a solid ball of superhot iron and nickel alloy about 760 miles (1,220 kilometers) in diameter. Scientists recently discovered the inner core is, at 10,800 degrees Fahrenheit (6,000 degrees Celsius), as hot as the surface of the sun. [DOC] [TLE] Layers of the Earth Inner Core The inner part of the earth is the core ... [PAR] The core is a dense ball of the elements iron and nickel. It is divided ... The inner 
core - the center of earth - is solid and about 780 miles (1,250 km ) thick. [DOC] [TLE] The Earth's Layers Lesson #1 [PAR] The Earth is composed of four different layers. ... (rock- basalts and granites) and 
the core consists of heavy metals (nickel and iron). ... The Outer and Inner Cores 
are hotter still with pressures so great that you ... The continental crust is 
composed mostly of granite. ... The core of the Earth is like a ball of very hot 
metals. [DOC] [TLE] What is the Center of the Earth Made Of? - Universe Today [PAR] We know the surface of the Earth is made of rock, we can examine it ourselves. ... 
up the majority of the interior of the Earth, and its composed of heated rock under 
high pressure. ... The inner core is a sphere of solid metal that measures about 
2,440 km across. It's believed to be comprised of 80% iron and 20% nickel. [DOC] [TLE] core - National Geographic Society [PAR] Aug 17, 2015 ... All known planets have metal cores. ... Lehman was the first to identify Earth's 
solid inner core, and became a ... The ball-shaped core lies beneath the cool, 
brittle crust and the mostly-solid mantle. ... The outer core, about 2,200 kilometers 
(1,367 miles) thick, is mostly composed of liquid iron and nickel. [DOC] [TLE] Layers Of the earth [PAR] The crust is primarily made of granite and basalt while the mantle beneath is 
made of peridotite. Mantle. The region of the interior of the Earth between the 
core (on its inner surface) ... thick and composed of iron and nickel that lies above 
Earth's solid inner core and below its mantle. ... *The core is a solid ball made of 
metal. [DOC] [TLE] Inside the Earth, Earth's Interior Information, Facts, News, Photos ... [PAR] The Earth's interior is composed of four layers, three solid and one liquidnot 
magma but

Question: The inner core of the Earth is thought to be a solid ball composed mainly of nickel & this metal
Answer: iron