| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what needs to happen for combustion to occur | 0.29 | 1 | 4651 | 36 | 44 |
| what | 0.93 | 0.2 | 4039 | 87 | 4 |
| needs | 1.74 | 0.3 | 5192 | 15 | 5 |
| to | 0.25 | 1 | 9634 | 1 | 2 |
| happen | 0.24 | 0.4 | 7717 | 92 | 6 |
| for | 0.55 | 0.7 | 3342 | 24 | 3 |
| combustion | 0.18 | 0.8 | 9525 | 55 | 10 |
| to | 1.76 | 0.4 | 7794 | 38 | 2 |
| occur | 1.75 | 0.3 | 1634 | 66 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what needs to happen for combustion to occur | 1.68 | 0.8 | 1054 | 31 |
| what is required for combustion to occur | 0.24 | 0.7 | 6093 | 14 |
| what happens during combustion | 0.79 | 0.5 | 3298 | 11 |
| why does combustion happen | 1.16 | 0.7 | 6969 | 63 |
| what are the conditions for combustion | 0.29 | 0.2 | 5829 | 100 |
| how does combustion occur | 0.96 | 0.9 | 8721 | 19 |
| what does combustion require | 1.4 | 0.8 | 2475 | 72 |
| what occurs during a combustion reaction | 1.45 | 0.2 | 7742 | 26 |
| conditions under which combustion takes place | 1.85 | 0.6 | 8831 | 83 |
| what does combustion create | 1.1 | 0.8 | 3323 | 64 |
| what happens after combustion takes place | 0.92 | 1 | 6270 | 1 |
| conditions needed for combustion | 0.25 | 0.9 | 3039 | 86 |
| what happens during combustion reaction | 1.83 | 0.7 | 8161 | 33 |
| what does combustion produce | 1.68 | 1 | 9114 | 10 |
| how to do combustion problems | 0.43 | 1 | 5738 | 85 |
| the process that depends on combustion is | 1.31 | 0.4 | 5542 | 72 |
| explain the process of combustion | 1.28 | 0.9 | 5633 | 46 |
