Highlights
Going in Circles Around Saturn
Ken Croswell, Ph.D.
Science & Nature
outer space, Saturn, astronomy, rings, space, questions
HL
906
B2
English
9781683296232
Read about Saturn's rings, including a theory about how they formed.
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% |
| Eiken Grade 2 | 866 | 0.46% |
| Eiken Grade 3 | 900 | 7.67% |
| Eiken Grade 4 | 600 | 12.33% |
| Eiken Grade 5 | 600 | 13.67% |
| Eiken Grade Pre1 | 2,868 | 0.35% |
| Eiken Grade Pre2 | 1,327 | 1.43% |
| Eiken Grade Pre2+ | 1,562 | 1.92% |
| NDL | 875 | 19.89% |
| NGSL 1 to 1,000 | 1,000 | 17.6% |
| NGSL 1,001 to 2,000 | 1,000 | 2.8% |
| NGSL 2,001 to 3,000 | 801 | 1.37% |
| NGSL Supplemental | 52 | 7.69% |
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% |