| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| comets are made of | 0.49 | 0.8 | 9378 | 59 | 18 |
| comets | 0.86 | 0.3 | 3950 | 70 | 6 |
| are | 0.32 | 0.5 | 4146 | 38 | 3 |
| made | 1.78 | 0.4 | 4057 | 19 | 4 |
| of | 1.23 | 0.1 | 1575 | 91 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| comets are made of | 1.75 | 0.2 | 4031 | 32 |
| comets are made of dust and ice | 1.96 | 0.8 | 7742 | 78 |
| comets are made of what type of material | 1.95 | 0.8 | 7546 | 15 |
| what are comets made of | 1.08 | 0.7 | 9008 | 13 |
| are comets made of ice | 1.51 | 0.7 | 550 | 6 |
| what are comets made out of | 0.84 | 0.9 | 2421 | 1 |
| what are comets mostly made of | 1.95 | 0.8 | 5712 | 56 |
| what are asteroids and comets made of | 1.87 | 0.2 | 5125 | 29 |
| made predictions about comets | 1.36 | 0.3 | 3295 | 63 |
| are comets made out of ice and dust | 0.44 | 0.8 | 148 | 95 |
| comets are composed of ice and | 1.83 | 0.1 | 994 | 61 |
| comets made of ice | 0.36 | 0.1 | 4104 | 51 |
