Highlights
Ngorongoro Crater
Christina Wilsdon
Science & Nature
animals, Africa, geology, plants, birds, geography, identity awareness, Maasai
VLL
6
2,075
C1
English
9781792253980
About 2.5 million years ago, a volcano erupted and collapsed into a chamber of melted rock. This created a crater that is about 12 miles across! Let's read about this crater and the many animals that live in it.
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 | 0.19% |
| Eiken Grade 2 | 866 | 1.96% |
| Eiken Grade 3 | 900 | 15.33% |
| Eiken Grade 4 | 600 | 22.67% |
| Eiken Grade 5 | 600 | 24.33% |
| Eiken Grade Pre1 | 2,868 | 0.49% |
| Eiken Grade Pre2 | 1,327 | 2.26% |
| Eiken Grade Pre2+ | 1,562 | 4.03% |
| NDL | 875 | 32% |
| NGSL 1 to 1,000 | 1,000 | 27.2% |
| NGSL 1,001 to 2,000 | 1,000 | 7.8% |
| NGSL 2,001 to 3,000 | 801 | 4.49% |
| NGSL Supplemental | 52 | 15.38% |
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% |