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Item EG056005: The thermal energy of an object depends on the speed and number of molecules that make up the object.

The thermal energy of an object depends on which of the following?

  1. Both the number of molecules that make up the object and their average speed
  2. The average speed of the molecules that make up the object but not the number of molecules
  3. The number of molecules that make up the object but not their average speed
  4. Neither the number of molecules that make up the object nor their average speed
Distribution of Responses
Chart showing distrubtion of responses for Item 056005
Scale Score for Item Difficulty
(200[Easy]-800[Difficult])
500
Students Responding Correctly
Group Correct Total Percent
Overall 477 1119 43%
Grades
  4–5N/AN/AN/A
  6–8 246 662 37%
  9–12 231 457 51%
Gender
  Male22856840%
  Female24353745%
Primary Language
  English42298643%
  Other4010837%

View data table