ERSC 105 Test 2 Question and answers
100% correct
Using the diagram below, what is the possible age of F if A is 100 years old
and D is 70 years old? - correct answer ✔85 years
Whic type of sedimentary rock is formed from the remains of living plant or
animals? - correct answer ✔Biochemical
Which type of sedimentary rock is formed during evaporation of water such as
shallow seas? - correct answer ✔Chemical
Which processes would change a metamorphic rock to an igneous rock? -
correct answer ✔Melting and crystallization
Plutonic igneous rocks form at or very near the surface - correct answer
✔True
The rock cycle links different types of minerals to one another by the
processes of how they are formed - correct answer ✔True
Isotope with half life of 100 years. Parent isotope: 1000. After 2 half lives how
many parent and how many daughter? Show work - correct answer ✔Parent:
1000 . Daughter: 0
Half life 1: 500 . Half life 1: 500
Half life 2: 250 . Half life 2: 750
, Analyze the foci indicated by the arrows on the graph displayed below. What
type of plate boundary is present between 180-190 degrees longitude? -
correct answer ✔Convergent
Which relative dating principles can be observed in the Grand Canyon? -
correct answer ✔Superposition, Original horizontality, and cross cutting (ALL
OF THE ABOVE)
What happens to the parent isotope over time? - correct answer ✔It
decreases
Analyze the above schematic map for an earthquake. Where is the epicenter
of the earthquake? - correct answer ✔Memphis
Analyze the above schematic map for an earthquake. Which seismometers
are needed to find the epicenter? - correct answer ✔Memphis, Richmond,
and Tulsa
Why can radioactive elements be used to determine the ages of rocks? -
correct answer ✔Their half lives do not change over time
Suppose you were standing on a solid surface when P waves hit. What
ground motion sensation would you feel? - correct answer ✔The ground
would move horizontally, shaking side to side
Suppose you were standing on a solid surface when S waves hit. What
ground motion sensation would you feel? - correct answer ✔The ground
would move vertically, shaking up and down
100% correct
Using the diagram below, what is the possible age of F if A is 100 years old
and D is 70 years old? - correct answer ✔85 years
Whic type of sedimentary rock is formed from the remains of living plant or
animals? - correct answer ✔Biochemical
Which type of sedimentary rock is formed during evaporation of water such as
shallow seas? - correct answer ✔Chemical
Which processes would change a metamorphic rock to an igneous rock? -
correct answer ✔Melting and crystallization
Plutonic igneous rocks form at or very near the surface - correct answer
✔True
The rock cycle links different types of minerals to one another by the
processes of how they are formed - correct answer ✔True
Isotope with half life of 100 years. Parent isotope: 1000. After 2 half lives how
many parent and how many daughter? Show work - correct answer ✔Parent:
1000 . Daughter: 0
Half life 1: 500 . Half life 1: 500
Half life 2: 250 . Half life 2: 750
, Analyze the foci indicated by the arrows on the graph displayed below. What
type of plate boundary is present between 180-190 degrees longitude? -
correct answer ✔Convergent
Which relative dating principles can be observed in the Grand Canyon? -
correct answer ✔Superposition, Original horizontality, and cross cutting (ALL
OF THE ABOVE)
What happens to the parent isotope over time? - correct answer ✔It
decreases
Analyze the above schematic map for an earthquake. Where is the epicenter
of the earthquake? - correct answer ✔Memphis
Analyze the above schematic map for an earthquake. Which seismometers
are needed to find the epicenter? - correct answer ✔Memphis, Richmond,
and Tulsa
Why can radioactive elements be used to determine the ages of rocks? -
correct answer ✔Their half lives do not change over time
Suppose you were standing on a solid surface when P waves hit. What
ground motion sensation would you feel? - correct answer ✔The ground
would move horizontally, shaking side to side
Suppose you were standing on a solid surface when S waves hit. What
ground motion sensation would you feel? - correct answer ✔The ground
would move vertically, shaking up and down
