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Transcript
Layers of the Earth
Composition (What it is made of)
• _________________
• _________________
• _________________
The Crust
• The _________________ is the _______________________ layer
• It is ___________________________ km thick.
• There are ________ types of ___________________.
• One is _____________________ (very dense, made of
____________________).
• The other is ________________________ (less dense, made of
________________________).
The Mantle
• The ____________________ is the ______________________ layer.
• This is a very _______________________ layer.
The Core
• The ____________________ is made mostly of ___________________.
• It accounts for _______________ of the earth’s __________________.
• The _________________ is very ____________________.
Earth’s Layers
• How are the _______________________ layers similar to an
__________________?
• _____________________________________
• _____________________________________
• _____________________________________
Physical Structure of the Earth
(5 Layers)
• ______________________- rigid outer layer
(_______________________).
• ____________________________- solid rock that flows slowly (like hot
_________________________).
• _______________________- _______________________ layer.
• _____________________ Core- _______________________ layer.
• _____________________ Core- ______________________, very dense.
1
Tectonic Plates
• Earth’s _________________________ is broken into about
__________________ pieces.
• These ___________________________ move on top of the
asthenosphere.
2