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.
Stalking squirrels for science
In this informational text, an ecologist conducts an experiment with squirrels.
In this informational text, Maureen Ash discusses an ancient fish.
What is a Rocket?
This NASA article provides information about rockets.
Rachel M. Barker
In this informational text, the author discusses geology and different types of rocks.
What Is Mars?
In this NASA article, the author discusses scientists' study of Mars.
How a Bill Becomes a Law
This informational text describes the process through which a bill becomes a law in the United States.
What Is A Supernova?
This NASA articles provides information about supernovas.
What Is Dark Matter?
In this NASA article, the author discusses what scientists know about dark matter.
What Is a Black Hole?
This NASA article provides information about black holes.
What trick-or-treating tells us about human nature
Dilip Soman discusses how scientists study the choices of trick-or-treaters.
This text discusses the sudden rise and drop in the price of tulips in the 17th century Netherlands.
The text discusses the period of peace known as the Pax Romana of ancient Roman history.
Alexander the Great
This text discusses Alexander the Great and his empire.
The end of big trees?
Bill Laurance discusses the disappearance of big trees.
Army Code Talkers
The United States Government
American Indians created complex codes using their native languages in order to aid the United States in WWI and WWII.
Falling through Earth might be a long and fruitless trip
Emily Conover discusses the possibility of someone falling through the center of Earth.
Scientists confirm ‘greenhouse’ effect of human’s CO2
Thomas Sumner discusses a study on the effects of CO2 emissions.
What’s What with the Rostra?
Sarah Linn discusses the places for public speaking in Ancient Rome.
Baseball: From pitch to hits
Stephen Orne discusses the science behind throwing and hitting a baseball.