Highlights
How Many Turns for the Tern?
Alison Pearce Stevens, Ph.D.
Animals
tern, geolocator, Dr. Egevang, Arctic tern
HL
883
C1
English
9781683296317
Dr. Egevang uses a geolocator attached to the leg bands on Arctic terns to help him learn where the terns go when they migrate. His research reveals that the Arctic tern holds the record for the longest migration on Earth.
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 | 0.03% |
| Eiken Grade 2 | 866 | 0.92% |
| Eiken Grade 3 | 900 | 8.44% |
| Eiken Grade 4 | 600 | 14% |
| Eiken Grade 5 | 600 | 16.5% |
| Eiken Grade Pre1 | 2,868 | 0.1% |
| Eiken Grade Pre2 | 1,327 | 1.73% |
| Eiken Grade Pre2+ | 1,562 | 2.37% |
| NDL | 875 | 20.34% |
| NGSL 1 to 1,000 | 1,000 | 18% |
| NGSL 1,001 to 2,000 | 1,000 | 5.1% |
| NGSL 2,001 to 3,000 | 801 | 1.62% |
| NGSL Supplemental | 52 | 3.85% |
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% |