WGU C165 OA – Integrated Physical
Sciences Test Questions and Correct
Answers (Verified Answers) plus
Rationales 2025/2026 Q&A | Instant
Download Pdf
1. What is the SI unit for mass?
A. Meter
B. Kilogram
C. Liter
D. Newton
Answer: B
Rationale: The kilogram (kg) is the standard SI unit used to measure mass.
2. Which state of matter has a definite shape and definite volume?
A. Gas
B. Plasma
C. Liquid
D. Solid
Answer: D
Rationale: Solids maintain both their shape and volume under normal conditions.
3. What is the atomic number of an element?
A. Number of neutrons
B. Number of electrons and neutrons
C. Number of protons
D. Atomic mass
,Answer: C
Rationale: The atomic number equals the number of protons in an atom's nucleus.
4. Which particle has a negative charge?
A. Proton
B. Neutron
C. Electron
D. Nucleus
Answer: C
Rationale: Electrons carry a negative electrical charge.
5. What is the chemical symbol for water?
A. O₂
B. H₂O
C. CO₂
D. NaCl
Answer: B
Rationale: Water consists of two hydrogen atoms and one oxygen atom.
6. Which process changes a liquid into a gas?
A. Condensation
B. Freezing
C. Evaporation
D. Deposition
Answer: C
Rationale: Evaporation is the process of liquid molecules becoming gas.
, 7. What is the main source of energy for Earth's climate system?
A. The Moon
B. Earth's core
C. The Sun
D. Volcanoes
Answer: C
Rationale: Solar energy drives weather, climate, and many Earth processes.
8. What force pulls objects toward Earth?
A. Magnetism
B. Friction
C. Gravity
D. Tension
Answer: C
Rationale: Gravity is the attractive force between masses.
9. What is velocity?
A. Distance only
B. Speed with direction
C. Acceleration only
D. Mass times force
Answer: B
Rationale: Velocity includes both speed and direction.
10. What is the formula for density?
A. Mass × Volume
B. Mass ÷ Volume
C. Volume ÷ Mass
D. Force ÷ Area
Sciences Test Questions and Correct
Answers (Verified Answers) plus
Rationales 2025/2026 Q&A | Instant
Download Pdf
1. What is the SI unit for mass?
A. Meter
B. Kilogram
C. Liter
D. Newton
Answer: B
Rationale: The kilogram (kg) is the standard SI unit used to measure mass.
2. Which state of matter has a definite shape and definite volume?
A. Gas
B. Plasma
C. Liquid
D. Solid
Answer: D
Rationale: Solids maintain both their shape and volume under normal conditions.
3. What is the atomic number of an element?
A. Number of neutrons
B. Number of electrons and neutrons
C. Number of protons
D. Atomic mass
,Answer: C
Rationale: The atomic number equals the number of protons in an atom's nucleus.
4. Which particle has a negative charge?
A. Proton
B. Neutron
C. Electron
D. Nucleus
Answer: C
Rationale: Electrons carry a negative electrical charge.
5. What is the chemical symbol for water?
A. O₂
B. H₂O
C. CO₂
D. NaCl
Answer: B
Rationale: Water consists of two hydrogen atoms and one oxygen atom.
6. Which process changes a liquid into a gas?
A. Condensation
B. Freezing
C. Evaporation
D. Deposition
Answer: C
Rationale: Evaporation is the process of liquid molecules becoming gas.
, 7. What is the main source of energy for Earth's climate system?
A. The Moon
B. Earth's core
C. The Sun
D. Volcanoes
Answer: C
Rationale: Solar energy drives weather, climate, and many Earth processes.
8. What force pulls objects toward Earth?
A. Magnetism
B. Friction
C. Gravity
D. Tension
Answer: C
Rationale: Gravity is the attractive force between masses.
9. What is velocity?
A. Distance only
B. Speed with direction
C. Acceleration only
D. Mass times force
Answer: B
Rationale: Velocity includes both speed and direction.
10. What is the formula for density?
A. Mass × Volume
B. Mass ÷ Volume
C. Volume ÷ Mass
D. Force ÷ Area
