Mop Top the Hip Hop Scientist Celebrates African-Americans in the Sciences
Home
Introduction
Interactive Lab
Scientists
Ben Carson
George Washington Carver
Bessie Coleman
Charles Drew
Marc Hannah
Euphemia Haynes
Mae Jemison
Katherine Johnson
Lonnie Johnson
Earl Lucas
Elijah McKoy
Garrett Morgan
and more...
Resources
Activities & Games
I Can
Mop Top Shop
Contact Us

gas mask - a special covering placed over the face and used for protection against poisonous gas or fumes.