| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| science books for kids free pdf | 0.31 | 0.4 | 5011 | 30 |
| science books for kids pdf | 0.97 | 0.9 | 7132 | 39 |
| free online science books for kids | 1.92 | 1 | 247 | 10 |
| science for kids books | 0.85 | 0.6 | 2000 | 31 |
| free science books pdf | 0.79 | 0.8 | 3857 | 12 |
| amazon science books for kids | 0.52 | 1 | 6321 | 24 |
| science books pdf free download | 1.62 | 0.6 | 5153 | 55 |
| children's books for science | 0.12 | 0.6 | 3990 | 86 |
| science books for kids free | 1.64 | 1 | 8914 | 14 |
| science books for kids read aloud | 1.38 | 0.2 | 2000 | 20 |
