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.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 3940 |
6–8 n = 1613 |
9–12 n = 2311 |
Male n = 1927 |
Female n = 1935 |
English n = 3430 |
Other n = 415 |
||
| A. |
 |
32% | 36% | 30% | 32% | 32% | 32% | 33% |
| B. |
 |
13% | 14% | 12% | 13% | 13% | 12% | 14% |
| C. |
 |
10% | 12% | 9% | 10% | 10% | 10% | 14% |
| D. |
 |
45% | 39% | 50% | 45% | 46% | 46% | 39% |