Stephanie Kwolek

Stephanie Kwolek helped invent Kevlar. Learn how inventors like Kwolek have changed our lives.

 
Publisher

Highlights

Title

Stephanie Kwolek

Author Name

Juliette Looye

Category

People & Places

Subject

science, inventions, women, biography, family, friends, community

Series Name

VLL

Series Level

2

Word Count

958

CEFR level

B1

Language

English

ISBN number

9781792233494

Description

Stephanie Kwolek helped invent Kevlar. Learn how inventors like Kwolek have changed our lives.

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.
ListTotalCoverage
Eiken Grade 13,1050%
Eiken Grade 28660.46%
Eiken Grade 39007.89%
Eiken Grade 460011.83%
Eiken Grade 560014.67%
Eiken Grade Pre12,8680.24%
Eiken Grade Pre21,3271.06%
Eiken Grade Pre2+1,5621.79%
NDL87518.97%
NGSL 1 to 1,0001,00016.7%
NGSL 1,001 to 2,0001,0003.4%
NGSL 2,001 to 3,0008010.75%
NGSL Supplemental5211.54%

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.
ListTotalUniqueCoverageUnique
Eiken Grade Pre194940%0%
Eiken Grade 21231220%0%
Eiken Grade Pre21111080%0%
Eiken Grade 348470%0%
Eiken Grade 452490%0%
Eiken Grade 51761390%0%
A13523160%0%
A29498930%0%
B11,1261,1060%0%
B27757600%0%
C14023950%0%
C23123080%0%