Item EB055001: During photosynthesis, more energy is required to break bonds between molecules of CO2 and H2O than is released as bonds form between molecules of C6H12O6 and O2.
Photosynthesis is a chemical reaction that occurs in a plant as the sun shines on it. Which of the following models illustrates the energy changes that occur during photosynthesis?
Pre-Test
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 124 |
6–8 n = 0 |
9–12 n = 105 |
Male n = 60 |
Female n = 49 |
English n = 95 |
Other n = 6 |
||
| A. |
 |
39% | NAN% | 40% | 42% | 35% | 41% | 33% |
| B. |
 |
23% | NAN% | 23% | 22% | 24% | 20% | 33% |
| C. |
 |
21% | NAN% | 23% | 22% | 24% | 23% | 33% |
| D. |
 |
17% | NAN% | 14% | 15% | 16% | 16% | 0% |
Post-Test
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 146 |
6–8 n = 0 |
9–12 n = 134 |
Male n = 73 |
Female n = 59 |
English n = 122 |
Other n = 10 |
||
| A. |
|
36% | NAN% | 36% | 33% | 39% | 34% | 50% |
| B. |
|
20% | NAN% | 20% | 18% | 22% | 19% | 40% |
| C. |
|
30% | NAN% | 28% | 37% | 20% | 30% | 0% |
| D. |
|
14% | NAN% | 16% | 12% | 19% | 16% | 10% |