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10 questions
The Earth is divided into ____ chemical layers and ____ physical layers.
3; 7
5; 7
3; 5
4; 3
Which layer(s) are composed of Iron and Nickle?
A
A & B
C
B & C
Layer 8 (a physical layer) is called the...
lithosphere
asthenosphere
crust
mantle
The chemical layer 3 is called the..
mesosphere
lithosphere
mantle
outer core
What are the physical properties of layer 7- the asthenosphere?
rigid
slushy/maleable
solid
liquid
Which layer is responsible for the Earth's magnetic field, which protects us from harmful solar particles?
Asthenosphere
Mantle
solid inner core
Liquid outer core
Check all of the following that are true when comparing oceanic crust to continental crust.
Oceanic is more dense
Oceanic is thicker
Oceanic is made of darker minerals (mafic)
Oceanic is made of lighter minerals (felsic)
Check all of the following that are true when comparing P and S waves.
P waves travel through solids and liquids
S waves stop at liquids
They start at an earthquake
They help us determine the structure of the Earth
P waves move slower than s waves
On Earth, the s wave shadow zone is caused by...
The liquid outer core
The solid inner core
The density differences in the mantle
Earth does not have s wave shadow zones
Primary waves are _____ and secondary waves are _____.
transverse; longitudinal
shear; compressional
surface; sound
longitudinal; transverse
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