Multiple choice

Plasma is which state of matter?

  1. Fifth state of matter

  2. Fourth state of matter

  3. Third state of matter

  4. None of these

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

Plasma is considered the fourth state of matter, after solid, liquid, and gas. It consists of ionized gas with free electrons and ions, found in stars, lightning, and neon signs. Plasma is unique in responding to electromagnetic fields.