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Earth has a molten core consisting of mostly iron and nickel. Its mantle and crust are composed of silicon and oxygen (silicate rock), with trace elements, and the crust also contains basalt .

Abundance of the chemical elements - Wikipedia

en.wikipedia.org/wiki/Abundance_of_the_chemical_elements

The Earth formed from the same cloud of matter ... In bulk, by mass, it is composed mostly of iron ...

What is Earth Made Of? - Space.com

www.space.com/17777-what-is-earth-made-of.html

Sep 26, 2012 ... The structure of the Earth is like an onion; it has multiple layers. Earth's layers consist of the crust, mantle and core. Several elements make up ...

What Four Elements Make Up Almost 90% of the Earth? - Synonym

classroom.synonym.com/four-elements-make-up-almost-90-earth-2592.html

Of the 92 naturally occurring elements, the Earth's geosphere -- the solid part of the Earth made up of the core, the mantle and the crust -- is primarily composed ...

Minerals, elements and the Earth's crust

www.rsc.org/education/teachers/resources/jesei/minerals/students.htm

Almost 99% of the minerals making up the Earth's crust are made up of just eight elements. Most of these elements are found combined with other elements as ...

What is the Earth's Mantle Made Of? - Universe Today

www.universetoday.com/40229/what-is-the-earths-mantle-made-of/

Mar 25, 2016 ... The Earth's layers, showing the Inner and Outer Core, the Mantle, and ... In terms of its constituent elements, the mantle is made up of 44.8% ...

What is the atmosphere of Earth made of? | Cool Cosmos

coolcosmos.ipac.caltech.edu/ask/64-What-is-the-atmosphere-of-Earth-made-of-

Earth's atmosphere is 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide with very small percentages of other elements. Our atmosphere also ...

What Is Earth's Core Made of? | Wonderopolis

wonderopolis.org/wonder/what-is-earths-core-made-of

Scientists who study Earth and its composition will tell you that Earth is made ... of iron and nickel, along with small amounts of other dense elements like gold, ...

What elements are found in the Earth's surface? | Reference.com

www.reference.com/science/elements-found-earth-s-surface-893a8f0b752e3476

The elements largely composing the rock and soil on Earth's surface are oxygen, ... Water, covering about 70 percent of Earth's surface, is composed largely of ...

The Four Elements - One Universe at a Time

briankoberlein.com/2014/04/18/four-elements/

Apr 18, 2014 ... One of the things we have learned is that we—and every other living thing on Earth—are made up mostly of four elements. These four atomic ...