Sample Test Item Preview

General Information
Related Benchmark: SC.5.E.5.1
Reporting Category: Earth and Space Science
Type: MC: Multiple Choice
Difficulty: N/A
Question:
A star named Sirius appears as the brightest star in the nighttime sky, even though a star named Pollux actually gives off more light. Which of the following best explains why Sirius appears brighter than Pollux in our nighttime sky?
Answer Options:
A. Sirius has a different color than Pollux does.
B. Sirius has different gases than Pollux does.
C. Sirius is closer to Earth than Pollux is.
D. Sirius is larger than Pollux is.
Answer Key:
C