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Item EG055005: The thermal energy of an object depends on the speed and type of molecules that make up the object.

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

  1. Both the type 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 type of molecules
  3. The type of molecules that make up the object but not their average speed
  4. Neither the type of molecules that make up the object nor their average speed
Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1051
4–5
n = 0
6–8
n = 632
9–12
n = 419
Male
n = 527
Female
n = 506
English
n = 904
Other
n = 129
A. Both the type of molecules that make up the object and their average speed 42%N/A 39% 46% 39% 44% 42% 36%
B. The average speed of the molecules that make up the object but not the type of molecules 34%N/A 35% 33% 36% 33% 35% 28%
C. The type of molecules that make up the object but not their average speed 16%N/A 17% 14% 16% 15% 15% 22%
D. Neither the type of molecules that make up the object nor their average speed 8%N/A 9% 7% 8% 8% 8% 12%