Original Project
Substances, Chemical Reactions, and Conservation of Matter
Many substances react chemically in predictable ways with other substances to form new substances with different…
Item SC065004: Burning a marshmallow is an example of a chemical reaction.
Which of the following is an example of a chemical reaction?
- A marshmallow turning black when heated over a fire
- A powder dissolving in water to make lemonade
- An ice cube melting into a puddle of water
- Salt crystals being crushed into a powder
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1387 | 3555 | 39% |
| Grades | |||
| 6–8 | 857 | 2437 | 35% |
| 9–12 | 522 | 1096 | 48% |
| Gender | |||
| Male | 698 | 1669 | 42% |
| Female | 660 | 1809 | 36% |
| Primary Language | |||
| English | 1232 | 3150 | 39% |
| Other | 116 | 315 | 37% |