Highlights
Snowballs in Space
Tony Helies
Science & Nature
Astronomy, Space, meteor, comet, snowball, atmosphere, gravity, Jupiter, Saturn, Earth, Moon, crater, orbit
HL
656
C1
English
9781683290834
A big snowball fight with giant dirty snowballs happened millions of years ago in space. Read about how snowballs that were left in space turned into comets, meteors, or rings around planets like Saturn.
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% |
| Eiken Grade 2 | 866 | 0.35% |
| Eiken Grade 3 | 900 | 7.56% |
| Eiken Grade 4 | 600 | 11.83% |
| Eiken Grade 5 | 600 | 13% |
| Eiken Grade Pre1 | 2,868 | 0.38% |
| Eiken Grade Pre2 | 1,327 | 1.66% |
| Eiken Grade Pre2+ | 1,562 | 1.86% |
| NDL | 875 | 16.57% |
| NGSL 1 to 1,000 | 1,000 | 13.7% |
| NGSL 1,001 to 2,000 | 1,000 | 3.2% |
| NGSL 2,001 to 3,000 | 801 | 1.87% |
| 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% |