EOSC 110 EXAM / ACTUAL EOSC 110 MIDTERM 1 LATEST 2026/2027
COMPLETE ACCURATE EXAM REAL QUESTIONS AND CORRECT
DETAILED ANSWERS (100% EXPERT VERIFIED SOLUTIONS)
NEWEST UPDATED VERSION |GUARANTEED PASS A+ (BRAND
NEW!) FULL REVISED EOSC 110 MIDTERM ONE
What is the chain being EOSC 110?
Answer- 1. Protons, Electrons, Neutrons
2. Atoms
3. Elements
4. Minerals
5. Rocks
What are the different ways to classify minerals?
Answer- Moth’s hardness scale, cleavage, fracture, distinct smell or
taste, sometimes double refraction, and reaction with acid.
What are the softest and hardest things according the Moth’s Hardness
Scale?
Answer- 1. Tale (Softest)
10. Diamond (Hardest)
,What is cleavage?
Answer- The ability to split along one or more planes of weakness
What is Fracture?
Answer- It is the tendency to break along the irregular surface not
controlled by cleavage or a curved surface.
How do we know what the core is made of?
Answer- There are no direct samples, so scientists use educated guesses
from geophysical evidence and meteorites.
What are the properties of Felsic rocks?
Answer- Their makeup includes quartz, potassium feldspar, sodium-rich
plagiodase, and biotite. Their silica content is >65%, and they have low
Ca, Fe, and Mg. They are light in color and have a lower melting point.
Do Mafic or Felsic have a higher melting point?
Answer- Mafic
, Are Mafic rocks dark or light in color?
Answer- Dark
Do Mafic or Felsic have more Magnesium?
Answer- Mafic
Which kind of rock has more silica content, Mafic or Felsic?
Answer- Felsic
What minerals are in Mafic rocks?
Answer- Olivine, pyroxene
What does the Bowen's Reaction Series show?
Answer- It shows the different minerals Felsic, Intermediate Mafic,
Mafic, and Ultramafic and relates it to temperature decreases and
increases.
What are the three components of Magma?
COMPLETE ACCURATE EXAM REAL QUESTIONS AND CORRECT
DETAILED ANSWERS (100% EXPERT VERIFIED SOLUTIONS)
NEWEST UPDATED VERSION |GUARANTEED PASS A+ (BRAND
NEW!) FULL REVISED EOSC 110 MIDTERM ONE
What is the chain being EOSC 110?
Answer- 1. Protons, Electrons, Neutrons
2. Atoms
3. Elements
4. Minerals
5. Rocks
What are the different ways to classify minerals?
Answer- Moth’s hardness scale, cleavage, fracture, distinct smell or
taste, sometimes double refraction, and reaction with acid.
What are the softest and hardest things according the Moth’s Hardness
Scale?
Answer- 1. Tale (Softest)
10. Diamond (Hardest)
,What is cleavage?
Answer- The ability to split along one or more planes of weakness
What is Fracture?
Answer- It is the tendency to break along the irregular surface not
controlled by cleavage or a curved surface.
How do we know what the core is made of?
Answer- There are no direct samples, so scientists use educated guesses
from geophysical evidence and meteorites.
What are the properties of Felsic rocks?
Answer- Their makeup includes quartz, potassium feldspar, sodium-rich
plagiodase, and biotite. Their silica content is >65%, and they have low
Ca, Fe, and Mg. They are light in color and have a lower melting point.
Do Mafic or Felsic have a higher melting point?
Answer- Mafic
, Are Mafic rocks dark or light in color?
Answer- Dark
Do Mafic or Felsic have more Magnesium?
Answer- Mafic
Which kind of rock has more silica content, Mafic or Felsic?
Answer- Felsic
What minerals are in Mafic rocks?
Answer- Olivine, pyroxene
What does the Bowen's Reaction Series show?
Answer- It shows the different minerals Felsic, Intermediate Mafic,
Mafic, and Ultramafic and relates it to temperature decreases and
increases.
What are the three components of Magma?
