The Earth’s Structure Notes
- How do we know the Earth’s interior is hot?
 _______________________________
- ____________________________________________________________________
____________________________________________________________________
 _______________________________
- ____________________________________________________________________
____________________________________________________________________
- ____________________________________________________________________
- Earth’s 3 Main Layers:
- The Crust
 __________________________________________________________________
 __________________________________________________________________
 ___________________________________________________________________
___________________________________________________________________
2 Different Types of Crust:
1. ________________________________________
 Rock that makes up the ________________________________________
 Consists of less dense rocks like _____________________________________
 __________________________________________________________________
 __________________________________________________________________
2. ________________________________________
 Rock that makes up the ___________________________________________
 Composed mostly of dense rocks like_______________________________
 ___________________________________________________________________
 much ______________________________________________________________
- The Mantle
 Layer __________________________________________________________________
 thick solid, _________ substance that represents about _______% of the total weight
and mass of the Earth.
 __________________________ and _________________________ increase the farther
you go down
Layers of the Mantle:
1. ___________________
 _____________________________________________________________
 Relatively __________________________,
___________________________ rock
 About ________________________________ km thick
2. ___________________
 Middle section of mantle
 __________________________________ rock that can
_________________ slowly
3. ____________________
 ___________________________________________ part of the mantle
 Extremely _______________________ keeps hot rocks
__________________
- The Core
 Large __________________________________________________that occupies Earth’s
center
 Roughly the size of our _______________
 Believed that the core is mostly made of _______________with some
__________________________ and __________________________________________
 _______________________________ increases with __________________________
 _________________________________is estimated to be
____________________________ times greater at the core than at the surface of Earth
 Temp at the center is approximately _________________________________________
2 Layers of the Core
1. _______________________________________
2. ________________________________________
- Outer Core:
 High ____________________ keep the metal in the _________________form.
 Flowing ____________________________ creates Earth’s
___________________________
- Inner Core
 _______________ than the outer core
 __________________________  __________________________
 Probably made up of __________________________________________ as well.