Original Project
Matter and Energy in Living Systems
All organisms need food as a source of molecules that provide chemical energy and building materials.
Item ME147001: Molecules made of several carbon atoms linked to each other and to hydrogen and oxygen atoms could be food for plants.
Which of the following could be food for plants?
- Molecules made of two oxygen atoms linked to each other
- Molecules made of a single oxygen atom linked to two hydrogen atoms
- Molecules made of a single carbon atom linked to two oxygen atoms
- Molecules made of several carbon atoms linked to each other and to hydrogen and oxygen atoms
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 269 | 728 | 37% |
| Grades | |||
| 6–8 | 269 | 728 | 37% |
| 9–12 | N/A | N/A | N/A |
| Gender | |||
| Male | 131 | 370 | 35% |
| Female | 135 | 345 | 39% |
| Primary Language | |||
| English | 245 | 651 | 38% |
| Other | 21 | 58 | 36% |
- Disciplinary Core Ideas
- LS1.C The process of photosynthesis converts light energy to stored chemical energy by converting carbon dioxide plus water into sugars plus released oxygen.
LS1.C The sugar molecules thus formed contain carbon, hydrogen, and oxygen: their hydrocarbon backbones are used to make amino acids and other carbon-based molecules that can be assembled into larger molecules (such as proteins or DNA), used for example to form new cells.