| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| explain why warm air rises | 0.95 | 0.4 | 4982 | 79 |
| explain why warm air rises and cool air sinks | 1.87 | 0.6 | 5358 | 16 |
| what happens when warm air rises | 1.82 | 0.2 | 9369 | 15 |
| warmer air rises because | 0.57 | 0.1 | 4733 | 3 |
| why hot air rises | 1.52 | 0.9 | 7568 | 51 |
| why does air warm as it descends | 1.22 | 0.7 | 7484 | 6 |
| warm air rises and cools | 0.39 | 0.2 | 6112 | 14 |
| as air rises does it get warmer | 0.86 | 0.9 | 5404 | 80 |
| why does warm air/water rise | 0.12 | 0.6 | 7411 | 77 |
| why does air rise when heated | 1.56 | 0.9 | 1102 | 18 |
| does air warm as it expands | 1.79 | 0.7 | 976 | 22 |
| as air warms it becomes what | 2 | 0.1 | 9236 | 25 |
| warm air sinks and cold air rises | 1.98 | 0.1 | 781 | 38 |
| warm air rises and cool air sinks | 0.28 | 0.6 | 9187 | 73 |
