Highlights
Copernicus, King of Craters
Edmund A. Fortier
Science & Nature
Science Outer Space
HL
536
B2
English
9781682380840
Do you know about Copernicus? It is not only the name of the famous astronomer, but also the moon's best-known meteor crater! Let's read about Copernicus, the king of craters.
Word lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Coverage |
|---|---|---|
| Eiken Grade 1 | 3,105 | 0.06% |
| Eiken Grade 2 | 866 | 0.69% |
| Eiken Grade 3 | 900 | 7.11% |
| Eiken Grade 4 | 600 | 10.17% |
| Eiken Grade 5 | 600 | 12% |
| Eiken Grade Pre1 | 2,868 | 0.28% |
| Eiken Grade Pre2 | 1,327 | 1.51% |
| Eiken Grade Pre2+ | 1,562 | 1.79% |
| NDL | 875 | 16% |
| NGSL 1 to 1,000 | 1,000 | 14.1% |
| NGSL 1,001 to 2,000 | 1,000 | 2.9% |
| NGSL 2,001 to 3,000 | 801 | 1% |
| NGSL Supplemental | 52 | 5.77% |
Grammar lists coverage
The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.| List | Total | Unique | Coverage | Unique |
|---|---|---|---|---|
| Eiken Grade Pre1 | 94 | 94 | 0% | 0% |
| Eiken Grade 2 | 123 | 122 | 0% | 0% |
| Eiken Grade Pre2 | 111 | 108 | 0% | 0% |
| Eiken Grade 3 | 48 | 47 | 0% | 0% |
| Eiken Grade 4 | 52 | 49 | 0% | 0% |
| Eiken Grade 5 | 176 | 139 | 0% | 0% |
| A1 | 352 | 316 | 0% | 0% |
| A2 | 949 | 893 | 0% | 0% |
| B1 | 1,126 | 1,106 | 0% | 0% |
| B2 | 775 | 760 | 0% | 0% |
| C1 | 402 | 395 | 0% | 0% |
| C2 | 312 | 308 | 0% | 0% |