Highlights
How Whales Wing It
Anna Ouchchy
Science & Nature
Dr. Fish, wind power, humpback whale, fluid dynamic, whale, invention, technology, tubercle, drag, flipper, windmill blade, airplane
HL
887
B2
English
9781683291022
Dr. Fish works with wind power and bases his designs off the shape and structure of whale flippers.
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 | 0.46% |
| Eiken Grade 3 | 900 | 9.33% |
| Eiken Grade 4 | 600 | 13.33% |
| Eiken Grade 5 | 600 | 15.17% |
| Eiken Grade Pre1 | 2,868 | 0.35% |
| Eiken Grade Pre2 | 1,327 | 1.88% |
| Eiken Grade Pre2+ | 1,562 | 2.3% |
| NDL | 875 | 21.14% |
| NGSL 1 to 1,000 | 1,000 | 17.5% |
| NGSL 1,001 to 2,000 | 1,000 | 4.7% |
| NGSL 2,001 to 3,000 | 801 | 2% |
| 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% |