WGU C165 OA Exam 2026 – Integrated Physical Sciences | Latest Updated with Verified Answers

WGU C165 OA EXAM INTERGRATED PHYSICAL SCIENCES
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OA
Questions with Correct Answers Wh Wh Wh




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1. When a candle burns, its molecules consisting of hydrogen and carbon atoms
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combine with oxygen to produce carbon dioxide and water. The physi- cal
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science that is BEST for dealing with how the light from the candle travels
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Wh through space is
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1. Chemistry
2. Physics
3. Earth Science
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4. Zoology
Answer: 2. PhysicsWh Wh




2. Auroras are bursts of light that happen when charged particles from the sun
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Wh interact with Earth's magnetic field and atoms and molecules in our
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Wh atmosphere. Which physical science is BEST SUITED explain the interactions of the
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Wh charged particles with magnetic field?
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1. Physics
2. Chemistry
3. Life Science
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4. Zoology
Answer: 1. PhysicsWh Wh




3. The physical science that is BEST for finding the best locations to drill for
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,Wh the petroleum used to make the candles is
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1. Chemistry
2. Physics
3. Earth Science Wh




4. Life scienceWh




Answer: 3. Earth Science
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4. The science BEST for studying how hydrogen sulfide and carbon dioxide react
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Wh is
1. Physics
2. Earth Science Wh




3. Chemistry
4. Life ScienceWh




Answer: 3. Chemistry
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5. Acidic soil reacts with common rock-forming minerals to release ions to
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form new minerals. Which physical science is BEST for studying these
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Wh processes?

1. chemistry
2. physics
3. earth science Wh




4. zoology
Answer: 1. Chemistry
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6. The science BEST for studying photosynthetic bacteria is
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1. Physics

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,2. Earth Science Wh




3. Chemistry
4. Life Science Wh




Answer: 4. Life Science Wh Wh Wh




7. What is usually the main advantage of being able to do a laboratory experi-
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Wh ment rather than a field study if both investigations allow you to collect similar
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information?
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1. It is possible to change only one variable at a time.
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2. Working conditions are always better indoors.
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3. The measuring equipment will be more precise.
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4. The data processing can be done right there.
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Answer: 1. It is possible to change only one variable at a time.
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8. Which of the following terms best describes a research project that involves
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sending a space probe to a distant asteroid to land on it and collect data?
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1. a controlled experiment
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2. a laboratory experiment
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3. an observational study
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4. a statistical model
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Answer: 3. an observational study
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9. A space probe is an unmanned spacecraft. Which of these terms BEST
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Wh describes a research project in which a space probe is sent to collect soil
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Wh samples on planet Mars and then report the data back to Earth?
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, 1. a controlled experiment
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2. a laboratory experiment
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3. a field study
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4. a statistical survey
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Answer: 3. a field study Wh Wh Wh Wh




10. Which of these fields depends the MOST on observational studies?
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1. physics
2. Earth science Wh




3. chemistry
4. Zoology
Answer: 2. Earth science
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11. The kinetic theory of gases is based on the assumption that the molecules that
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Wh form the gas are in random motion and bounce off the walls of their
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Wh container and off each other as if they were billiard balls. The forces between
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Wh real molecules are more complicated. This is an example of?
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1. using a model Wh Wh




2. formulating a hypothesis Wh Wh




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