Multiple choice

On simmering an uncovered pot of soup on a stove, some water droplets start appearing on the wall at the back of the stove. What processes can you infer have occurred?

  1. Melting, then boiling

  2. Condensation, then vaporisation

  3. Vaporisation, then condensation

  4. Freezing, then sublimation

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

 When water boils, it turns into vapors. When the temperature falls on touching the wall, the vapors condense.