| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| air expands when heated experiment | 0.54 | 0.4 | 340 | 61 | 34 |
| air | 1.76 | 0.1 | 6280 | 81 | 3 |
| expands | 0.07 | 0.3 | 9300 | 6 | 7 |
| when | 1.63 | 1 | 4203 | 35 | 4 |
| heated | 0.7 | 1 | 4014 | 28 | 6 |
| experiment | 0.94 | 0.9 | 8948 | 11 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| air expands when heated experiment | 0.13 | 0.7 | 6151 | 75 |
| air expands when heated | 0.15 | 0.1 | 505 | 55 |
| does heated air expand | 0.41 | 0.1 | 4704 | 36 |
| air expands on heating | 1.18 | 0.2 | 870 | 30 |
| expansion of air with temperature | 1.57 | 0.2 | 5455 | 12 |
| hot and cold air experiment | 1.76 | 0.9 | 3786 | 53 |
| experiments related to air | 0.26 | 0.3 | 3555 | 3 |
| when air expands it | 1.93 | 0.9 | 4026 | 39 |
| does air expand when cooled | 1.31 | 0.2 | 7301 | 74 |
| does hot air expand | 0.44 | 0.8 | 3704 | 6 |
| air takes up space experiment | 0.22 | 0.1 | 389 | 95 |
| hot air balloon experiment | 0.81 | 0.9 | 1088 | 36 |
| do particles expand when heated | 0.8 | 0.7 | 1806 | 50 |
| air exerts pressure experiment | 1.34 | 0.3 | 9984 | 73 |
| hot air balloon science experiment | 0.79 | 0.1 | 1691 | 4 |
| air can be compressed experiment | 0.67 | 1 | 5737 | 44 |
| expansion of air on heating | 1.36 | 0.7 | 128 | 40 |
| does warm air expand | 1.75 | 0.7 | 9817 | 84 |
| heating and cooling science experiments | 0.85 | 0.8 | 5711 | 61 |
| science experiments about heat | 0.06 | 0.2 | 7950 | 3 |
