Highlights
Hearing Sounds Through the Ground
Sharon T. Pochron, Ph.D.
Science & Nature
elephants, ground, shake, large, discovery, experiment, mammals
HL
464
C1
English
9781683297215
Learn about what scientists discovered about how elephants communicate and how this communication can even cause the ground to shake.
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 | 0.1% |
| Eiken Grade 2 | 866 | 0.23% |
| Eiken Grade 3 | 900 | 6.44% |
| Eiken Grade 4 | 600 | 9.83% |
| Eiken Grade 5 | 600 | 9.67% |
| Eiken Grade Pre1 | 2,868 | 0.1% |
| Eiken Grade Pre2 | 1,327 | 1.28% |
| Eiken Grade Pre2+ | 1,562 | 1.47% |
| NDL | 875 | 14.51% |
| NGSL 1 to 1,000 | 1,000 | 12.1% |
| NGSL 1,001 to 2,000 | 1,000 | 2.2% |
| NGSL 2,001 to 3,000 | 801 | 0.62% |
| NGSL Supplemental | 52 | 0% |
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% |