| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| controlled variable definition biology | 1.2 | 0.6 | 39 | 45 | 38 |
| controlled | 1.53 | 0.3 | 8173 | 31 | 10 |
| variable | 1.09 | 1 | 3050 | 3 | 8 |
| definition | 1.76 | 0.9 | 6490 | 60 | 10 |
| biology | 0.47 | 0.2 | 246 | 40 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| controlled variable definition biology | 1.13 | 0.1 | 8383 | 45 |
