Original Project
Substances, Chemical Reactions, and Conservation of Matter
A pure substance has characteristic properties, such as density, a boiling point, and solubility, all of which a…
Item SC061004: Smelling two liquids can help a student determine if the liquids are the same substance.
A student has two containers. Each container has a clear liquid inside of it. The liquids are pure substances. What can the student do to help find out whether these two liquids are the same or different substances?
- Smell each liquid and compare the odors.
- Weigh each liquid and compare the weights.
- Measure the volume of each liquid and compare the volumes.
- Measure the temperature of each liquid and compare the temperatures.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 867 | 2761 | 31% |
| Grades | |||
| 6–8 | 485 | 1650 | 29% |
| 9–12 | 372 | 1090 | 34% |
| Gender | |||
| Male | 412 | 1276 | 32% |
| Female | 439 | 1427 | 31% |
| Primary Language | |||
| English | 772 | 2440 | 32% |
| Other | 65 | 244 | 27% |