As you read this article
about the earth, think of a peach with its skin, fruit, and
seed. The layers of the earth are called the crust, the
mantle, and the core.
The earth's thin crust, or
outer layer, is mostly rock and varies in thickness from 3 to 34
miles. Beneath the crust is the mantle, a layer of mostly
solid rock. The mantle is about 1,800 miles thick. It
is very, very hot-about 5,400 degrees Fahrenheit in some
places. The center of the earth is called the core. It
is about 2,200 miles thick, and is extremely hot-about 7,200
degrees Fahrenheit. Scientists believe the core is
made up of two parts, an inner and an outer core. They
believe the outer core is a liquid layer made of melted iron and
nickel. They inner core is made up of solid iron and
Scientists who study the
earth are called geologists. Geologists study and learn
things about the earth by studying clues from geological
activities. Geological activities are earthquakes and
Answer the questions below.
The hottest part of the Earth is the .
The skin of a peach is like the
of the Earth.
A geologist is a scientist who studies the .
is about 1,800 miles thick.
Geologists believe the core is made up of
Earthquakes and volcanoes are called
The earth's thin
is about 3 to 34 miles thick.
The order of the earth's layers are
inner core, outer core.
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