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 ME149001: Milk is food for people because food is something that provides energy and building materials, and milk provides energy and building materials.
Milk contains water, carbohydrates, proteins, minerals, and fat. Is milk food for people?
- No, because liquids cannot be food, and milk is a liquid
- No, because for something to be food it must provide both energy and building materials, and milk does not provide energy
- Yes, because for something to be food it must provide energy, and the minerals in milk provide energy
- Yes, because food is a source of energy and building materials, and milk provides energy and building materials
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 1662 |
6–8 n = 612 |
9–12 n = 1041 |
Male n = 804 |
Female n = 823 |
English n = 1480 |
Other n = 143 |
||
| A. | No, because liquids cannot be food, and milk is a liquid | 13% | 20% | 9% | 13% | 13% | 13% | 17% |
| B. | No, because for something to be food it must provide both energy and building materials, and milk does not provide energy | 12% | 10% | 13% | 13% | 10% | 11% | 15% |
| C. | Yes, because for something to be food it must provide energy, and the minerals in milk provide energy | 22% | 25% | 21% | 20% | 24% | 22% | 23% |
| D. | Yes, because food is a source of energy and building materials, and milk provides energy and building materials | 53% | 44% | 58% | 53% | 52% | 54% | 45% |