WGU C165 Integrated Physical Sciences OA Exam – Latest Complete Set with Verified Answers.pdf

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WGU C165 Integrated Physical Sciences OA
Exam – Latest Complete Set with Verified
Answers
Official Exam Overview:
The WGU C165 Integrated Physical Sciences OA Exam evaluates learners’ understanding of key
concepts in physical and life sciences. The exam emphasizes scientific principles, experimental
methods, and the connection between physical systems and living organisms.

Exam Coverage Areas:

• Scientific Method and Inquiry
• Physical Sciences: Physics, Chemistry, and Earth Science
• Life Sciences: Biology, Ecology, and Genetics
• Matter, Energy, and Motion
• Chemical Reactions and Properties
• Earth Systems and Astronomy
• Scientific Vocabulary and Concepts
• Multiple Choice and Short Answer Question Formats



QUESTION 1: The theory that the universe originated in a huge explosion that released all matter
and energy is:

a) Steady State Theory
b) Big Bang Theory ✅
c) Nebular Hypothesis
d) String Theory

Rationale: The Big Bang Theory proposes that the universe began as a singularity and expanded
rapidly, releasing all matter and energy, forming the basis for modern cosmology.

QUESTION 2: Physical sciences are primarily concerned with the study of:

a) Living organisms
b) Non-living systems ✅
c) Social behavior
d) Environmental policies

Rationale: Physical sciences investigate non-living systems, including physics, chemistry, and
astronomy, focusing on matter, energy, and their interactions.

QUESTION 3: Life sciences focus on the study of:

,a) Non-living systems
b) Matter and energy
c) Living things ✅
d) Physical laws

Rationale: Life sciences examine organisms, their interactions, and biological processes, covering
biology, ecology, and genetics.

QUESTION 4: The branch of physical science that studies the composition, properties, and
reactions of matter is:

a) Physics
b) Chemistry ✅
c) Earth Science
d) Astronomy

Rationale: Chemistry explores matter at the atomic and molecular level, including chemical
reactions, properties, and transformations.

QUESTION 5: The branch of life science that studies the interactions of organisms with each other
and their environment is:

a) Genetics
b) Ecology ✅
c) Microbiology
d) Anatomy

Rationale: Ecology focuses on how organisms interact with one another and their environments,
studying populations, communities, and ecosystems.




QUESTION: The theory that the universe originated in a huge explosion that released all matter
and energy. - ANSWER-Big Bang Theory




QUESTION: Sections of the Earth's crust that move due to convection currents. - ANSWER-
tectonic plates




QUESTION: The hypothesis that the continents slowly move across Earth's surface. - ANSWER-
continental drift

,QUESTION: International System of units based on the metric system and units derived from
the metric system - ANSWER-SI system




QUESTION: kilogram (kg) - ANSWER-SI unit for mass




QUESTION: meter (m) - ANSWER-SI unit for length




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QUESTION: seconds (s) - ANSWER-SI unit for time




QUESTION: Kelvin (K) - ANSWER-SI unit for temperature




QUESTION: prefix used in the International System to indicate a power of 10 - ANSWER-SI prefix




QUESTION: centi (c) - ANSWER-SI prefix meaning 0.01




QUESTION: milli (m) - ANSWER-SI prefix meaning 0.001




QUESTION: kilo (k) - ANSWER-SI prefix meaning 1,000




QUESTION: Micro - ANSWER-SI prefix meaning .000001




QUESTION: Nano (n) - ANSWER-SI prefix meaning .000000001




QUESTION: Mega (M) - ANSWER-SI prefix meaning 1,000,000



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