The greenhouse effect
Rebecca L. Johnson
The greenhouse effect
Age Rating, Reading Level & Content Guide
by Rebecca L. Johnson
The text is written at a 9th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.
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About This Book
Explore how Earth's atmosphere traps heat and what that means for our planet's future. Discover the science behind global warming and the important research that helps us understand this vital environmental issue. This journey into the greenhouse effect reveals why protecting our world matters now more than ever.
Themes
Quick Assessment
This is a Level 9-10 book with gentle content intensity. It's a Sweet Spot read — challenging text with gentle themes, ideal for advanced or 2e readers. No notable content concerns flagged. Written for readers ages 9-12.
For Parents
Content Intensity
Level 1 — GentleNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 0822515911
- Pages
- 112
- Publisher
- Lerner Publications
- Published
- 1990
- Type
- Nonfiction
- Word Count
- 20,445
- Read-Aloud
- ~2h 16m
- Text Density
- Standard