Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2317
Points per Word
0.000216
Page Count
32
Points per Page
0.015625
Series
STEM Trailblazer Bios
Description
Katherine Johnson overcame many barriers to become a NASA mathematician. As an African American woman, she had to work hard to earn respect. Learn how Johnson broke barriers and helped to send astronauts to the Moon.