CommonLit The Library
CommonLit is a free collection of fiction and nonfiction for 3rd-12th grade classrooms. Search and filter our collection by lexile, grade, theme, genre, literary device, or common core standard.
Down the Drain
Marshall Joseph Becker
Archeologists explore an area that would have been the center of downtown Rome 2,000 years ago.
'Couch potatoes' tend to be TV-energy hogs
Kathiann Kowalski discusses how heavy television watching wastes electricity and contributes to global warming.
Thai cave boys: the psychology of surviving underground
Sarita Robinson describes the 12 boys trapped in a cave in Thailand and what it takes to survive such an ordeal.
Mark Cartwright discusses the purpose of the gymnasium in ancient Greek life.
Raindrops break the speed limit
Stephen Ornes discusses the physics that affect how fast raindrops fall.
Why Paralympic sprinters have trouble with curves
Helen Thompson discusses a study about how physics affects the performance of sprinters with prosthetic legs.
Design Par Excellence
Lena Lambrinou discusses the temples constructed by the ancient Greeks.
Explainer: How scientists know Earth is warming
Sharon Oosthoek explains how scientists can document global warming by measuring the Earth’s temperature.
Your food choices affect Earth's climate
Janet Raloff discusses a study comparing the effects of different diets on global warming.
Getting Started on Saving the Everglades
Humans have had a complicated relationship with the Florida Everglades for over 100 years.
They Need Fire!
Buffy Silverman discusses some of the effects of forest fires.
Life in a Vernal Pool
Lori Wollerman Nelson
Lori Wollerman Nelson describes life in a seasonal pond, known as a vernal pool.
Elizabeth Preston describes the colorful Zhangye Danxia mountains in China.
Betsy James discusses what we can learn from rocks.
Dirty Air Can Harm Your Brain and Stress the Body
Lindsey Konkel describes the dangerous effects of air pollution on the body and mind.
Celina Seftas and the Standing Stone Creek crew
The Standing Stone Creek is a small stream in Pennsylvania that runs into the Susquehanna River.
Banksy and the tradition of destroying art
Banksy, the popular street artist, is not the first artist to destroy his own work.
Is college worth it? Is this even the right question?
Josipa Roksa and Richard Arum
Josipa Roksa and Richard Arum discuss whether college is preparing graduates for life after school.
DNA Tells Tale of How Cats Conquered the World
Tina Hesman Saey
Tina Hesman Saey discusses how scientists are studying cats’ DNA to determine when and where they were tamed.