Entry Exam Category: Graduate & Professional Program Admission Exams
Course: Praxis
Exam: Praxis Elementary Science 5005 Practice Test
Practice Question
Of the following, which has Earth completed when it makes one revolution around the Sun?
Answer Choices
- A: One Earth year
- B: One Earth day
- C: One light year
- D: One lunar month
Correct Answer: A
Rationale: Earth year is one Sun revolution, ~365 days. B: Day is axis rotation, 24 hours. C: Light year is distance, not time. D: Lunar month is Moon phases, ~29.5 days. Revolution defines orbital period.