Entry Exam Category: Graduate & Professional Program Admission Exams
Course: Praxis
Exam: Praxis Elementary Science 5005 Practice Test

Practice Question

Which of the following is a statement that proposes a possible explanation for a phenomenon and can be tested through experimentation?

Answer Choices

  • A: An observation
  • B: A variable
  • C: An experiment
  • D: A hypothesis

Correct Answer: D

Rationale: Hypothesis is testable explanation. A: Observation is sensory data. B: Variable is changeable factor. C: Experiment tests hypothesis. Hypothesis key in scientific method for predictions.

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