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WGU C165 EXAM INTEGRATED PHYSICAL SCIENCES OA EXAM
2024-2025 LATEST 3 VERSIONS WITH PRACTICE EXAM AND
MCQs COMPLETE 400 QUESTIONS AND CORRECT VERIFIED
ANSWERS JUST RELEASED
WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA PRACTICE EXAM
Q: If the students decide to collect data from the computer simulation on how the speed of the
water changes for different widths, but neglect to hold the rate of water entering from the
source at the same value, they are simulating a(n) _______________ experiment. - ANSWER-
uncontrolled
Q: If the students keep the rate of water entering the pipe at one gallon per minute in the
simulation to see the speed of the water change as the width of the pipe is changed, the
independent variable is ____________ - ANSWER-pipe width
Q: If the students keep the rate of water entering the pipe at one gallon per minute in the
simulation to see the speed of the water change as the width of the pipe is changed, the
independent variable is pipe width and the the dependent variable is ___________________ -
ANSWER-water speed
Q: After hearing about the research, one of the students in the class asks the professor "Which
is the nicest river in America?" Why can't research in Earth science answer the simple question?
- ANSWER-there is no falsifiable answer
Q: A model in science is - ANSWER-a simpler system that is analogous to the real system.
Q: A team member notices that the winds blowing persistently from the west over a mountain
tend to produce rain on the western side of the mountain but much less rain on the eastern
side. - ANSWER-observation
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,Page 2 of 112
Q: Based on knowing that temperatures tend to decrease with increasing height, the team
proposes that maybe the moist air is being cooled when the wind from west to east forces the
air upward. - ANSWER-formulating a hypothesis
Q: The team tests this idea in the laboratory by measuring the temperature inside a cylinder
with a movable piston so they can change the pressure of the air, simulating moving to the air
to greater height. - ANSWER-using a model
Q: Based on extensive research results on prevailing winds, and how air cools when it is uplifted
by winds over a mountain, the team develops a widely applicable explanation of rainfall and
snowfall around mountains. - ANSWER-constructing a scientific explanation
Q: The origin of water on Earth is not yet fully understood. To test one of the hypotheses,
scientists launched a gigantic observational balloon to the height of almost 130,000 feet to
measure the amounts of water in comets and asteroids based on the light reflected from these
objects. The science BEST SUITED to calculating the forces required to launch the balloon to the
required altitude is______ - ANSWER-physics
The details of how moving water flowing around an object such as a pebble can exert enough
force to lift it and carry it. - ANSWER-physics
Q: The detailed mechanisms by which acidic pollutants in the river water change limestone,
which does not dissolve, into partially soluble material, causing a large rock to weather? -
ANSWER-chemistry
Q: The effect of weathering and erosion on features of the landscape over long periods of time.
- ANSWER-Earth Science
2
,Page 3 of 112
Q: Comparison of the fin structures and their use in different species of fish. - ANSWER-life
science
Q: behavior of energy and matter - ANSWER-physics
Q: how atoms and molecules interact - ANSWER-chemistry
Q: Earth and its various parts and processes - ANSWER-Earth Science
Q: living systems, and their interactions with their surroundings and each other - ANSWER-life
science
Q: "Because of the way Earth's axis is tilted, there is less direct sunlight per day in the winter
and temperatures drop" is mainly a statement about: - ANSWER-Earth Science
Q: "When water freezes the water molecules join weakly in a specific way" is mainly a
statement about: - ANSWER-chemistry
Q: "Being less dense than liquid water makes the ice float." is mainly a statement about: -
ANSWER-physics
Q: "The river freezes on its surface first" is mainly a statement about: - ANSWER-Earth Science
Q: An experiment in which you deliberately change only one variable, and observe how a
second variable changes as a result, while you hold all other variables that you control constant,
is a: - ANSWER-controlled experiment
3
, Page 4 of 112
Q: The variable that you adjust is called the________ variable - ANSWER-independent
Q: This is an example of employing a ______________ of the river - ANSWER-model
Q: Which physical science is the BEST to study the composition of Earth's atmosphere? -
ANSWER-Earth Science
Q: Which physics topic would be the MOST important in chemistry? - ANSWER-how atoms bond
to each other because of electric attraction of oppositely charged electrons and nuclei
Q: The science BEST for studying photosynthetic bacteria is - ANSWER-life science
Q: A space probe is an unmanned spacecraft. Which of these terms BEST describes a research
project in which a space probe is sent to collect soil samples on planet Mars and then report
the data back to Earth? - ANSWER-a field study
Q: Which of these terms BEST describes a research project in which a big telescope is placed on
a high mountain in Arizona to study the brightness stability of the sun? - ANSWER-an
observational study
Q: Which of these fields depends the MOST on observational studies? - ANSWER-
Q: The kinetic theory of gases is based on the assumption that the molecules that form the gas
are in random motion and bounce off the walls of their container and off each other as if they
were billiard balls. The forces between real molecules are more complicated. This is an example
of - ANSWER-using a model
4
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