Multiple choice

Aurora borealis is:

  1. a medical term for boric powder

  2. a phenomenon of colored lights visible in the northern hemisphere

  3. a cinema theater

  4. a Russian master craftsman

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Aurora borealis (Northern Lights) is a natural light display caused by charged particles from the solar wind interacting with Earth's magnetic field and atmosphere near the polar regions. The southern hemisphere equivalent is aurora australis. The lights appear as curtains, rays, or spirals of colored light.

Keep practicing — related questions