[DOC] [TLE] What Is Earth's Core Made of? | Wonderopolis [PAR] Earth's core is the deepest, hottest layer, and it's made up of two layers itself: ... 
the inner core, which is a ball-shaped layer made almost entirely of metal. ... 
Some scientists even believe Earth's inner core rotates faster than the rest of the 
planet. ... solid; crust; core; iron; dense; thick; liquid; mantle; nickel; magma; 
primarily... [DOC] [TLE] How do scientists know that the Earth's core is made out of Iron and ... [PAR] How do scientists know that the Earth's core is made out of Iron and not ... metals 
however there are several reasons to believe that the core is made of ... It is so 
hot in the Earth's interior that we know it is composed of some liquid metallic 
material. ... nuclear fusion works in stars), so it makes sense that the core is 
mostly iron. [DOC] [TLE] How Do We Know What's in the Earth's Core? PM Explains [PAR] Jun 15, 2012 ... It's made of iron, in some places it's 10,000 degrees F, and plenty of scientists ... 
The core's heat is mostly due to the slow decay of radioactive ... Their findings 
didn't match up with what scientists had believed about the core. [DOC] [TLE] Beneath our Feet: The Four Layers of Earth - Super Teacher ... [PAR] ... up of iron and nickel, which is why some geologists call it molten metal instead 
of molten rock. ... the inner core is made up of iron and the crust consists of lighter 
rock ... in the mantle. 3. Which layers of the Earth are made mostly of metals? ... 
inner core. 5. Explain how scientists believe the Earth's four layers were formed. [DOC] [TLE] What Evidence Led Scientists to Conclude That Earth's Outer Core ... [PAR] To this day, scientists have not been able to directly observe the Earth's core, ... ... 
through the outer core, they are passing through liquid metal, predominantly iron 
and nickel. ... The outer core is believed to contain a system of convection 
currents that create a ... The outer and inner core are both composed mainly of 
iron. [DOC] [TLE] Why is Earth's inner core made of an iron-nickel alloy? - Earth ... [PAR] Apr 25, 2014 ... I know that earth's mantle is made of different minerals, metals and rocks etc. ... C. 
Earth started as a giant asteroid composed of an iron-nickel alloy (which .... 
Scientists believe that the overall chemical composition of the Earth is very ... 
scientists know that the Earths core is mostly iron with some nickel and... [DOC] [TLE] What do scientist believe that the Earth's core is made mostly of [PAR] The inner core is made of iron and nickel. Since it's so hot down there fusion 
occurs causing the ... The Inner (solid) and Outter (liquid) Core are made up of 
Nickel and Iron. 2 people found ... What metals are Earth's core made up of? The 
metal... [DOC] [TLE] What is Earth Made Of? - Space.com [PAR] Sep 26, 2012 ... Earth's layers consist of the crust, mantle and core. ... It is composed mostly of 
silicate rocks rich in magnesium and iron. ... This convection  like a lava lamp 
 is believed to be what causes the tectonic plates to move. ... He manages 
articles that explain scientific concepts, describe natural phenomena... [DOC] [TLE] Inner Core Facts - SoftSchools [PAR] It was once believed that the earth's inner core was liquid, but Inge Lehmann - a 
... The inner core is believed to be made up of an iron-nickel (metal) alloy. ... 
Scientists continue to study the inner core, mostly through the use of seismic 
activity,... [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 molten metal, nearly as hot as the surface of the sun

Question: Scientists believe that the Earth's core is primarily made up of this metal, Fe
Answer: iron