| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what caused the balloons to expand | 1.75 | 0.7 | 157 | 46 |
| what causes the movement of the balloons | 1.45 | 1 | 4010 | 49 |
| why do balloons expand as they rise | 0.89 | 0.3 | 7130 | 65 |
| what causes a balloon to rise | 1.02 | 0.8 | 2244 | 74 |
| why do balloons go up | 1.49 | 0.2 | 5761 | 16 |
| what causes hot air balloons to rise | 1.77 | 0.8 | 9701 | 16 |
| why does a balloon expand when heated | 1.09 | 0.6 | 2797 | 34 |
| how did you make the balloon expand | 0.4 | 0.1 | 6488 | 93 |
| what causes a balloon to remain inflated | 1.44 | 0.5 | 7905 | 53 |
| what causes implosion of a balloon | 1.03 | 0.5 | 6129 | 50 |
| what causes a balloon to inflate | 1.31 | 1 | 5882 | 55 |
| why do balloons get smaller over time | 1.87 | 0.1 | 4726 | 89 |
| why do helium balloons rise | 1.6 | 0.1 | 1792 | 26 |
