Item AM049003: The distance between water molecules increases when a cup of cold water warms up to room temperature.

What happens when a cup of cold water warms up to room temperature?

  1. The size of the water molecules decreases.
  2. The number of water molecules increases.
  3. The mass of the water molecules decreases.
  4. The distance between the water molecules increases.

Distribution of Responses

Chart showing distrubtion of responses for Item AM049003

Percent of students responding correctly

Overall46%
Grades 6–839%
Grades 9–1259%
Male48%
Female44%
Primary Language is English48%
Primary Language is not English30%

View data table