PHSC Exam UPDATED QUESTIONS
AND CORRECT ANSWERS
True/False: If a metamorphic rock undergoes melting, then that magma cools once again, the
resultant rock would still be considered metamorphic based on its parent material. -
CORRECT ANSWER false
Chemical sedimentary rocks, like limestone, typically form in ____________ environments. -
CORRECT ANSWER wet
Volcanic eruptions that are sourced from volcanoes containing viscous magma are typically
_____________. - CORRECT ANSWER violent and explosive
Rounded sediments in sedimentary rock implies _______________. - CORRECT
ANSWER the sediments have been eroded for a good deal of time
Metamorphic rocks like marble (shown below) are typically classified as ____________. -
CORRECT ANSWER non-foliated
What cooling rate would you associate with the following igneous rock? - CORRECT
ANSWER quick
Cinder cones are often composed of fragments of pumice/scoria, suggesting ___________. -
CORRECT ANSWER violent, explosive eruptions
Sediments and sedimentary rocks that are well-sorted will typically exhibit _____________. -
CORRECT ANSWER good porosity
To form a metamorphic rock like that which is shown below, which environmental condition
would be required? (rock with lines going across it) - CORRECT
ANSWER differential pressure
AND CORRECT ANSWERS
True/False: If a metamorphic rock undergoes melting, then that magma cools once again, the
resultant rock would still be considered metamorphic based on its parent material. -
CORRECT ANSWER false
Chemical sedimentary rocks, like limestone, typically form in ____________ environments. -
CORRECT ANSWER wet
Volcanic eruptions that are sourced from volcanoes containing viscous magma are typically
_____________. - CORRECT ANSWER violent and explosive
Rounded sediments in sedimentary rock implies _______________. - CORRECT
ANSWER the sediments have been eroded for a good deal of time
Metamorphic rocks like marble (shown below) are typically classified as ____________. -
CORRECT ANSWER non-foliated
What cooling rate would you associate with the following igneous rock? - CORRECT
ANSWER quick
Cinder cones are often composed of fragments of pumice/scoria, suggesting ___________. -
CORRECT ANSWER violent, explosive eruptions
Sediments and sedimentary rocks that are well-sorted will typically exhibit _____________. -
CORRECT ANSWER good porosity
To form a metamorphic rock like that which is shown below, which environmental condition
would be required? (rock with lines going across it) - CORRECT
ANSWER differential pressure
