Ada steps into the Wardrobe of Time and the brass dial spins to Paris, 1898. In a leaky shed-lab, she meets Marie Curie stirring pitchblende. Ada helps grind rock, sees a faint blue green glow, and learns about radioactivity. Marie shows that the energy passes through paper but is stopped by metal. Ada nearly keeps a glowing pebble, then fixes her mistake and learns to respect the energy. She
This is a Level 12 book on Castle Island: rich 22-page stories for confident readers. It is a book to read together; audio narration is not included at the moment. In the app your child can read it, record their own voice and take a short quiz — earning up to three stars for their crow.
Included in Class Readers Premium. Selected books are free to try.
Four ways to enjoy this story
Read
Every word ready to help.
Read to me
Listen while each word lights up.
Record me
Read aloud, then play it back.
Quiz
No mistakes wins a star.
Questions about The Glow in the Little Lab
Is "The Glow in the Little Lab" free to read?
"The Glow in the Little Lab" is part of Class Readers Premium, which unlocks every book on all 12 levels. Selected books are free to try.
What reading level is "The Glow in the Little Lab"?
It is a Level 12 book on Castle Island in the Class Readers Reading Sky: rich 22-page stories for confident readers.
Does "The Glow in the Little Lab" include narration?
This book does not include audio narration at the moment. Read it together in the app, record your own reading and try the quiz.
What age is "The Glow in the Little Lab" for?
Level 12 books suit children who are reading longer stories, usually around ages 7–10, including children learning English as a second language. Choose by reading ability rather than age.
