14 August 2026
UCF PSC 1121 2026/2027 Final Test Exam 160 comprehensive
questions |RECENT AND FREQUENTLY MOST TESTED
QUESTIONS AND VERIFIED SOLUTIONS/GET IT 100%
ACCURATE!! 2026!!
A scheme of thought that has survived a test of detailed examination for long periods of time is a -
correct answer-scientific theory
A tentative thought- or experiment-derived explanation that may or may not be rejected upon
further experimentation is known as a - correct answer-hypothesis
A controlled experiment has all variables held constant - correct answer-False
In the text, the equation V = tk is used to describe the relationship between the volume of a gas
tank and the time required to fill it. The symbol "k" - correct answer-the proportionality constant
A 100 g piece of iron has twice the volume as a 50 g piece of iron - correct answer-true
An experimental situation used as the basis of comparison is the - correct answer-control group
equations are used to - correct answer-describe how quantities change together.
describe a property. define
a concept.
(All of the answers are correct)
One of the basic differences between science and a pseudoscience is the lack of - correct
answervalid and reliable experimental studies
Which of the following is NOT a SI unit of the property it measures? - correct answer-volume—liter
Imagine a 10 g chunk of aluminum (r = 2.7 g/cm3) and a 10 g chunk of iron (r = 7.9 g/cm3). Which of
the following is true? - correct answer-The chunk of iron is smaller than the chunk of aluminum.
, 14 August 2026
The symbol µ has the meaning of "is proportional to." - correct answer-false
The density of a 100 g piece of iron is twice as great as the density of a 50 g piece of iron. - correct
answer-false
A statement describing a relationship that is observed in nature to occur consistently time after time
is a - correct answer-scientific law
The property of mass is a measure of how heavy an object is. - correct answer-false
A rocket moves through outer space at 12,000 m/s. At this speed, how much time (in hours) would
be required to travel the distance from Earth to the Moon, which is 380,000 km? - correct answer8.8
A car traveling at 20 mph on a curved exit ramp has a constant velocity. - correct answer-false
An object accelerates when it slows or its direction of movement changes - correct answer-true
A group of bikers took a 6.0 hour trip. For the first 5.0 hours, they traveled a total of 70 km, and for
the last hour they traveled 10 km.
What is the group's average speed in km/hr? - correct answer-13.3
If a marathoner can run with an average speed of 10 mph, how far could she run in 2 hours? - correct
answer-20 miles
A swimmer has been floating along in the North Icelandic Jet for 30 minutes. In that time, she has
moved 2,520 meters. What is the approximate speed of the North Icelandic Jet, judging by the
swimmer's distance and time intervals? Give your answer in m/s. - correct answer-1.4
A car travels between the 100 meter and 250 meter highway markers in 10 seconds.
What is the average speed of the car in km/hr during this interval? - correct answer-54
UCF PSC 1121 2026/2027 Final Test Exam 160 comprehensive
questions |RECENT AND FREQUENTLY MOST TESTED
QUESTIONS AND VERIFIED SOLUTIONS/GET IT 100%
ACCURATE!! 2026!!
A scheme of thought that has survived a test of detailed examination for long periods of time is a -
correct answer-scientific theory
A tentative thought- or experiment-derived explanation that may or may not be rejected upon
further experimentation is known as a - correct answer-hypothesis
A controlled experiment has all variables held constant - correct answer-False
In the text, the equation V = tk is used to describe the relationship between the volume of a gas
tank and the time required to fill it. The symbol "k" - correct answer-the proportionality constant
A 100 g piece of iron has twice the volume as a 50 g piece of iron - correct answer-true
An experimental situation used as the basis of comparison is the - correct answer-control group
equations are used to - correct answer-describe how quantities change together.
describe a property. define
a concept.
(All of the answers are correct)
One of the basic differences between science and a pseudoscience is the lack of - correct
answervalid and reliable experimental studies
Which of the following is NOT a SI unit of the property it measures? - correct answer-volume—liter
Imagine a 10 g chunk of aluminum (r = 2.7 g/cm3) and a 10 g chunk of iron (r = 7.9 g/cm3). Which of
the following is true? - correct answer-The chunk of iron is smaller than the chunk of aluminum.
, 14 August 2026
The symbol µ has the meaning of "is proportional to." - correct answer-false
The density of a 100 g piece of iron is twice as great as the density of a 50 g piece of iron. - correct
answer-false
A statement describing a relationship that is observed in nature to occur consistently time after time
is a - correct answer-scientific law
The property of mass is a measure of how heavy an object is. - correct answer-false
A rocket moves through outer space at 12,000 m/s. At this speed, how much time (in hours) would
be required to travel the distance from Earth to the Moon, which is 380,000 km? - correct answer8.8
A car traveling at 20 mph on a curved exit ramp has a constant velocity. - correct answer-false
An object accelerates when it slows or its direction of movement changes - correct answer-true
A group of bikers took a 6.0 hour trip. For the first 5.0 hours, they traveled a total of 70 km, and for
the last hour they traveled 10 km.
What is the group's average speed in km/hr? - correct answer-13.3
If a marathoner can run with an average speed of 10 mph, how far could she run in 2 hours? - correct
answer-20 miles
A swimmer has been floating along in the North Icelandic Jet for 30 minutes. In that time, she has
moved 2,520 meters. What is the approximate speed of the North Icelandic Jet, judging by the
swimmer's distance and time intervals? Give your answer in m/s. - correct answer-1.4
A car travels between the 100 meter and 250 meter highway markers in 10 seconds.
What is the average speed of the car in km/hr during this interval? - correct answer-54
