Highlights
Fast Elephants
Jack Myers, Ph.D., Senior Science Editor
Animals
Science Animal, elephant, antelope, fox, kangaroo, man, horse, giraffe, running
HL
791
C1
English
9781683297147
What are the differences between walking and running? Read about how this question was studied using horses and elephants.
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 | 0.23% |
| Eiken Grade 3 | 900 | 8.56% |
| Eiken Grade 4 | 600 | 13.83% |
| Eiken Grade 5 | 600 | 16.83% |
| Eiken Grade Pre1 | 2,868 | 0.17% |
| Eiken Grade Pre2 | 1,327 | 1.21% |
| Eiken Grade Pre2+ | 1,562 | 1.41% |
| NDL | 875 | 20.46% |
| NGSL 1 to 1,000 | 1,000 | 17.4% |
| NGSL 1,001 to 2,000 | 1,000 | 3.1% |
| NGSL 2,001 to 3,000 | 801 | 0.87% |
| NGSL Supplemental | 52 | 11.54% |
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% |