NJIT Physics 203 Final Practice Questions and Answers
UPDATED ACTUAL Questions and CORRECT Answers
Why does Earth have a magnetic field? B. Due to the Earth's liquid outer core
A. Due to the proximity of the Sun
B. Due to the Earth's liquid outer core
C. Due to content of atmospheric gases
D. Due to the types of rocks found in the lithosphere
Which statement about disturbance waves from an A. Most damage is caused by surface waves
earthquake is true?
A. Most damage is caused by surface waves
B. Most damage is caused by P-waves
C. Most damage is caused by S-waves
Which earthquake disturbance wave has a higher B. P-waves
speed?
A. Surface waves
B. P-waves
C. S-waves
Why are there seasons? B. Isolation varies annually because of the Earth's rotational tilt
A. The Sun increases and decreases solar output based
on the orbit
B. Isolation varies annually because of the Earth's
rotational tilt
C. Earth gets closer and farther away from the Sun as it
orbits annually
Where is the seafloor returned to the mantle? A. Trenches
A. Trenches
B. Mid-ocean ridges
C. Along coastlines
What happens to the age of seafloor rocks moving C. The rock gets older
away from a mid-ocean ridge?
A. The rocks get younger
B. The rock ages do not change
C. The rock gets older
What happens when an oceanic plate collides with a C. The oceanic plate is subducted
continental plate?
A. The continental plate is subducted
B. The oldest plate is subducted
C. The oceanic plate is subducted
, Which volcanoes are most likely to have more violent A. Strato- because the magma is MORE viscous than in shield volcanoes
eruptions and why?
A. Strato- because the magma is MORE viscous than in
shield volcanoes
B. Strato- because the magma is less viscous than in
shield volcanoes
C. Shield- because the magma is less viscous than in
strato-volcanoes
D. Shield- because the magma is more viscous than in
strato-volcanoes
The half-life of a radioactive isotope is 500 million C. 1,500 million years
years. Scientists testing a rock sample discovered that
the sample contains three times as many daughters
isotope as parent isotopes. What is the age of the rock?
A. 500 million years
B. 1,000 million years
C. 1,500 million years
D. 2,500 million years
What causes the circular ocean surface current A. Winds
patterns?
A. Winds
B. Ocean thermal effects
C. Ocean salinity effects
D. Ocean thermal and salinity effects
What would happen to spring tides if the moon were B. Tides would be lower
farther away from Earth? (Remember the inverse
distance square law for gravitation)
A. Tides would be higher
B. Tides would be lower
C. No change to spring tides
At which type of margin would the waves begin to B. Passive margin
break farthest from the beach? (Think about which
becomes shallower further from shore)
A. Active margin
B. Passive margin
Standing on a beach, you observe a red ball floating B. About the same position
about 15 meters offshore. You notice that a series of
well-defined waves are approaching the shore and are
just about to reach the ball. The waves are not breaking
until they are much closer to the beach. Where will the
ball be when the last wave reaches the beach?
A. Closer to shore
B. About the same position
C. Farther offshore
Glaciers are made of compacted snow. What is most B. Slow down
likely to happen to the global ocean conveyor belt if
additional freshwater by melting glaciers, is added to
the North Atlantic Ocean?
A. Speed up
B. Slow down
C. Undergo no change
UPDATED ACTUAL Questions and CORRECT Answers
Why does Earth have a magnetic field? B. Due to the Earth's liquid outer core
A. Due to the proximity of the Sun
B. Due to the Earth's liquid outer core
C. Due to content of atmospheric gases
D. Due to the types of rocks found in the lithosphere
Which statement about disturbance waves from an A. Most damage is caused by surface waves
earthquake is true?
A. Most damage is caused by surface waves
B. Most damage is caused by P-waves
C. Most damage is caused by S-waves
Which earthquake disturbance wave has a higher B. P-waves
speed?
A. Surface waves
B. P-waves
C. S-waves
Why are there seasons? B. Isolation varies annually because of the Earth's rotational tilt
A. The Sun increases and decreases solar output based
on the orbit
B. Isolation varies annually because of the Earth's
rotational tilt
C. Earth gets closer and farther away from the Sun as it
orbits annually
Where is the seafloor returned to the mantle? A. Trenches
A. Trenches
B. Mid-ocean ridges
C. Along coastlines
What happens to the age of seafloor rocks moving C. The rock gets older
away from a mid-ocean ridge?
A. The rocks get younger
B. The rock ages do not change
C. The rock gets older
What happens when an oceanic plate collides with a C. The oceanic plate is subducted
continental plate?
A. The continental plate is subducted
B. The oldest plate is subducted
C. The oceanic plate is subducted
, Which volcanoes are most likely to have more violent A. Strato- because the magma is MORE viscous than in shield volcanoes
eruptions and why?
A. Strato- because the magma is MORE viscous than in
shield volcanoes
B. Strato- because the magma is less viscous than in
shield volcanoes
C. Shield- because the magma is less viscous than in
strato-volcanoes
D. Shield- because the magma is more viscous than in
strato-volcanoes
The half-life of a radioactive isotope is 500 million C. 1,500 million years
years. Scientists testing a rock sample discovered that
the sample contains three times as many daughters
isotope as parent isotopes. What is the age of the rock?
A. 500 million years
B. 1,000 million years
C. 1,500 million years
D. 2,500 million years
What causes the circular ocean surface current A. Winds
patterns?
A. Winds
B. Ocean thermal effects
C. Ocean salinity effects
D. Ocean thermal and salinity effects
What would happen to spring tides if the moon were B. Tides would be lower
farther away from Earth? (Remember the inverse
distance square law for gravitation)
A. Tides would be higher
B. Tides would be lower
C. No change to spring tides
At which type of margin would the waves begin to B. Passive margin
break farthest from the beach? (Think about which
becomes shallower further from shore)
A. Active margin
B. Passive margin
Standing on a beach, you observe a red ball floating B. About the same position
about 15 meters offshore. You notice that a series of
well-defined waves are approaching the shore and are
just about to reach the ball. The waves are not breaking
until they are much closer to the beach. Where will the
ball be when the last wave reaches the beach?
A. Closer to shore
B. About the same position
C. Farther offshore
Glaciers are made of compacted snow. What is most B. Slow down
likely to happen to the global ocean conveyor belt if
additional freshwater by melting glaciers, is added to
the North Atlantic Ocean?
A. Speed up
B. Slow down
C. Undergo no change
