Highlights
A Final Touch of Color
Andy Boyles
Science & Nature
color, sweet gum, birch, tree, chlorophyll, pigment, carotenoid, fall, maple, autumn, anthocyanin
HL
614
C1
English
9781792239168
Why do leaves on many plants make a red pigment in the fall? Dr. Missy Eppes conducted an experiment to try to find out.
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 | 0.35% |
| Eiken Grade 3 | 900 | 6% |
| Eiken Grade 4 | 600 | 10.33% |
| Eiken Grade 5 | 600 | 13.67% |
| Eiken Grade Pre1 | 2,868 | 0.03% |
| Eiken Grade Pre2 | 1,327 | 0.38% |
| Eiken Grade Pre2+ | 1,562 | 0.83% |
| NDL | 875 | 16.34% |
| NGSL 1 to 1,000 | 1,000 | 13.3% |
| NGSL 1,001 to 2,000 | 1,000 | 2.2% |
| NGSL 2,001 to 3,000 | 801 | 1% |
| NGSL Supplemental | 52 | 1.92% |
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% |