| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| definition of the speed of light in km | 1 | 0.9 | 1747 | 7 | 38 |
| definition | 0.72 | 0.8 | 3820 | 29 | 10 |
| of | 1.5 | 0.3 | 2529 | 89 | 2 |
| the | 1.57 | 0.3 | 5916 | 95 | 3 |
| speed | 1.58 | 0.1 | 4866 | 58 | 5 |
| of | 1.68 | 0.5 | 200 | 17 | 2 |
| light | 0.24 | 0.4 | 6952 | 20 | 5 |
| in | 1.99 | 0.8 | 9577 | 87 | 2 |
| km | 1.48 | 0.5 | 6672 | 62 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| definition of the speed of light in km/s | 0.8 | 0.9 | 8312 | 20 |
| definition of the speed of light | 1.91 | 0.2 | 1870 | 16 |
| what is the speed of light definition | 1 | 0.5 | 89 | 90 |
| speed of light in km s | 0.67 | 0.4 | 4624 | 96 |
| light speed in km | 1.77 | 0.6 | 4767 | 46 |
| speed of light in kilometres | 1.72 | 0.2 | 6226 | 81 |
| define the speed of light | 0.44 | 0.2 | 5396 | 86 |
| speed of light definition chemistry | 0.16 | 0.7 | 2480 | 83 |
| speed of light definition physics | 0.96 | 0.9 | 5244 | 19 |
| speed of light definition | 0.45 | 0.2 | 2294 | 41 |
| speed of light in km sec | 0.47 | 0.2 | 4871 | 100 |
