Millions and billions of years ago
Norman F. Smith
Millions and billions of years ago
Age Rating, Reading Level & Content Guide
by Norman F. Smith
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 scientists uncover the secrets of Earth's past by studying tree rings, rock layers, and chemical clues like carbon-14. Journey through time to discover the incredible methods used to measure the age of our planet and even the universe itself. Perfect for curious young minds fascinated by history and science.
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
6/10Engaging read with solid pacing and interesting themes.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 0531125335
- Pages
- 127
- Publisher
- Franklin Watts
- Published
- 1993
- Type
- Nonfiction
- Word Count
- 23,042
- Read-Aloud
- ~2h 34m
- Text Density
- Standard