Millions and billions of years ago
by Norman F. Smith
Venture Book
Reading Level 9-10 Gentle (Lvl 1)
Ages 9-12
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.
Representation & Themes
Science & NatureEducationalEarth
For Parents
Content Intensity
Level 1 — Gentle Gentle Mild Moderate Intense Very Intense
No conflict beyond everyday childhood experiences. Safe for sensitive readers.
Data confidence: standard
More in the Venture Book Series
Details
- ISBN
- 0531125335
- Pages
- 127
- Publisher
- Franklin Watts
- Published
- 1993
- Type
- Nonfiction
- Word Count
- 23,042
Genres
Earth
Subjects
Geochronometry -- Juvenile literature.Earth -- Age.Geochronometry.Earth -- Age -- Juvenile literature.