| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the invention of the magnetic compass | 0.68 | 0.1 | 1291 | 87 |
| magnetic compass invention in ancient china | 1.54 | 0.5 | 6126 | 42 |
| magnetic compass chinese invention | 1.02 | 1 | 2685 | 39 |
| magnetic compass date of invention | 0.28 | 0.8 | 690 | 89 |
| magnetic compass china invention | 1.14 | 0.7 | 8904 | 68 |
| who created the magnetic compass in china | 0.15 | 0.2 | 6956 | 39 |
| ancient china compass invention | 1.3 | 0.3 | 7702 | 10 |
| who invented the compass in ancient china | 1.16 | 0.9 | 5655 | 13 |
| ancient chinese magnetic compass facts | 1.54 | 0.5 | 4459 | 90 |
| ancient china inventions compass | 1.28 | 0.2 | 4682 | 2 |
| invention of the magnetic compass | 1.24 | 1 | 2770 | 83 |
| compass invented in china | 0.94 | 0.4 | 168 | 21 |
| the compass chinese invention | 1.81 | 0.4 | 7880 | 45 |
| who invented the ancient chinese compass | 0.79 | 0.6 | 380 | 71 |
| when was the ancient chinese compass invented | 0.3 | 1 | 1921 | 84 |
