Item AM045004: The molecules of cold water are closer together than the molecules of hot water.

How do the molecules of cold water differ from the molecules of hot water?

  1. The molecules of cold water are larger than the molecules of hot water.
  2. The molecules of cold water have fewer heat molecules mixed with them.
  3. The molecules of cold water have more mass than the molecules of hot water.
  4. The molecules of cold water are closer together than the molecules of hot water.
Distribution of Responses
Chart showing distrubtion of responses for Item AM045004
Students Responding Correctly
Group Correct Total Percent
Overall 3976 7689 52%
Grades
  6–8 2040 4417 46%
  9–12 1920 3234 59%
Gender
  Male1897365052%
  Female2013390852%
Primary Language
  English3569676453%
  Other32076642%

View data table

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