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
Students Responding Correctly
Group Correct Total Percent
Overall 1331 2900 46%
Grades
  6–8 720 1858 39%
  9–12 606 1033 59%
Gender
  Male679142948%
  Female635143944%
Primary Language
  English1212254848%
  Other9230230%

View data table

Notes
NGSS does not address thermal expansion or contraction of matter.