Original Project
Substances, Chemical Reactions, and Conservation of Matter
Item SC093003: 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 | 1783 | 3940 | 45% |
| Grades | |||
| 6–8 | 623 | 1613 | 39% |
| 9–12 | 1152 | 2311 | 50% |
| Gender | |||
| Male | 858 | 1927 | 45% |
| Female | 891 | 1935 | 46% |
| Primary Language | |||
| English | 1582 | 3430 | 46% |
| Other | 160 | 415 | 39% |