Log In | Register

Item AM039004: The distance between water molecules increases as a cup of water is warmed.

What happens when a cup of water is warmed?

  1. The water molecules break down.
  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 039004
Students Responding Correctly
Group Correct Total Percent
Overall 2047 4517 45%
Grades
  6–8 1087 2842 38%
  9–12 957 1664 58%
Gender
  Male1040217348%
  Female975227643%
Primary Language
  English1876399547%
  Other13743432%

View data table

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