ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
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?
- Both the number of molecules that make up the object and their average speed
- The average speed of the molecules that make up the object but not the number of molecules
- The number of molecules that make up the object but not their average speed
- Neither the number of molecules that make up the object nor their average speed
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||||
|---|---|---|---|---|---|---|---|---|---|
| n = 1119 |
4–5 n = 0 | 6–8 n = 662 |
9–12 n = 457 |
Male n = 568 |
Female n = 537 |
English n = 986 |
Other n = 108 |
||
| A. | Both the number of molecules that make up the object and their average speed | 43% | N/A | 37% | 51% | 40% | 45% | 43% | 37% |
| B. | The average speed of the molecules that make up the object but not the number of molecules | 34% | N/A | 35% | 33% | 36% | 33% | 35% | 32% |
| C. | The number of molecules that make up the object but not their average speed | 15% | N/A | 18% | 11% | 15% | 15% | 14% | 21% |
| D. | Neither the number of molecules that make up the object nor their average speed | 8% | N/A | 10% | 6% | 9% | 7% | 8% | 9% |