Highlights
Flashbacks: Thinking Like Edison
Harry T. Roman
Science & Nature
Science Inventions Technology, Flashback, Science Scientist, Harry Roman, robot
HL
503
B2
English
9781682382578
When the author of this book learned about Thomas Edison, he developed a love of inventions. Read about how the encouragement of his dad and learning that failure is part of the process led him to become an inventor himself.
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 | 0.03% |
| Eiken Grade 2 | 866 | 0.69% |
| Eiken Grade 3 | 900 | 6.78% |
| Eiken Grade 4 | 600 | 10.33% |
| Eiken Grade 5 | 600 | 11.67% |
| Eiken Grade Pre1 | 2,868 | 0.14% |
| Eiken Grade Pre2 | 1,327 | 1.28% |
| Eiken Grade Pre2+ | 1,562 | 1.73% |
| NDL | 875 | 15.77% |
| NGSL 1 to 1,000 | 1,000 | 14.2% |
| NGSL 1,001 to 2,000 | 1,000 | 3% |
| NGSL 2,001 to 3,000 | 801 | 1.75% |
| 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% |