The Earth is made out of many things. Deep inside Earth, near its center, lies Earth's core which is mostly made up of nickel and iron. Above the core is Earth's mantle, which is made up of rock containing silicon, iron, magnesium, aluminum, oxygen and other minerals. The rocky surface layer of Earth, called the crust, is made up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium. Earth's surface is mainly covered with liquid water and its atmosphere is is mainly nitrogen and oxygen, with smaller amounts of carbon dioxide, water vapor and other gases.
FLATIRON Dictionary entry overview: What does flatiron mean? â¢ FLATIRON (noun) The noun FLATIRON has 1 sense: 1. an iron that was heated by placing it on a stove Familiarity information: FLATIRON used as a noun is very rare.
Flatiron definition, a nonelectric iron with a flat bottom, heated for use in pressing clothes, cloth, etc. See more.