Original Project
Substances, Chemical Reactions, and Conservation of Matter
Item SC070004: During a chemical reaction, atoms stay the same but rearrange to form new molecules. (This item uses circles to represent atoms.)
Which of the following could represent a chemical reaction?
Atoms are represented by circles, and molecules are represented by circles that are connected to each other. The different colored circles represent different kinds of atoms.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1136 | 2710 | 42% |
| Grades | |||
| 6–8 | 599 | 1593 | 38% |
| 9–12 | 524 | 1095 | 48% |
| Gender | |||
| Male | 528 | 1293 | 41% |
| Female | 586 | 1361 | 43% |
| Primary Language | |||
| English | 1005 | 2382 | 42% |
| Other | 101 | 259 | 39% |