Page 29 - I want to create content about steel!

Korea Iron & Steel Association Chapter 2●Take One: What is the origin of iron?

Iron is prevalent, making up a third Hmm Perhaps they At the time, Earth was a ball of hot magma. As it cooled, the heavy
…
of the Earth’s weight. found it in rocks? iron and nickel elements sank to the Earth’s core, while light rocks
But I wonder how ancient people rose to the surface, creating the Earth’s surface.
first discovered it.

(Twinkle)
(Twinkle)

Correct! Most likely, they found iron
in meteorites that fell from the sky. Most Was it an outcome
meteorites are an alloy made up of iron and So how did iron of the Big Bang?
nickel. come to be?

(Nod)
(Nod)
(Nod)
(Nod)

'Big Bang'
,
ean idol gr
oup
K
or
'Big Bang', Korean idol group
Earth’s inner core is rich in iron and nickel, making it similar to meteorites.
Earth was born about 4.6 billion years ago when smaller planets made of
rocks and metals collided in space and merged.
Was it an outcome of the
Was it an outcome of the
Big Bang?
Big Bang?

It’s a lot like how a kernel
turns into popcorn.

The iron in the Earth’s core forms a magnetic field to protect the planet from harmful radiation. It also
Tidbit A meteorite whose main component is an alloy of iron and nickel is called meteoric iron. Conversely, Tidbit allows us to have wireless internet service we enjoy every day. Did you know that the aurora would
meteorites made of siliceous minerals such as olivine and pyroxene are called ‘stone meteorites.’
not be visible without the magnetic field?

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