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 SC095002: To help identify a metal, you could determine its melting point and compare it to the melting point of other metals.
You find an object that is made of a pure metal. What could you do to identify which metal the object is made of?
- Determine its melting point and compare it to the melting point of other metals.
- Measure its length and compare it to the length of other metals.
- Determine its shape and compare it to the shape of other metals.
- Measure its mass and compare it to the mass of other metals.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1325 | 2319 | 57% |
| Grades | |||
| 6–8 | 667 | 1206 | 55% |
| 9–12 | 645 | 1092 | 59% |
| Gender | |||
| Male | 615 | 1082 | 57% |
| Female | 687 | 1193 | 58% |
| Primary Language | |||
| English | 1183 | 2046 | 58% |
| Other | 102 | 210 | 49% |