Multiple choice

The effect describing that warmer water sometimes freezes faster than colder water is

  1. The Leidenfrost effect

  2. The Mpemba effect

  3. The Thermo-dielectric effect

  4. The Barnett effect

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

The Mpemba effect is the observation that warmer water sometimes freezes faster than colder water. Although the observation has been verified, there is no single scientific explanation for the effect.