Physics
John Murphy
Physics
Age Rating, Reading Level & Content Guide
Understanding the Properties of Matter and Energy
by John Murphy
The text is written at a 4th 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
Have you ever wondered what makes the lights turn on or how planes soar through the sky? Imagine a world without skyscrapers, computers, or even smartphones. What secrets does the invisible force called physics hold to keep everything working?
Themes
Quick Assessment
This middle-grade book introduces children aged 9-12 to the fundamental concepts of physics, explaining matter, energy, and their interactions in clear, accessible language. It uses helpful visuals to support understanding and connects physics to everyday technology and natural phenomena. The content is suitable for young readers with an interest in science, with no intense or sensitive material.
Why we rated Physics 9C
Physics is written at a Level 4-5 reading level across 115 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Physics works for readers up to grade 6.5.
We rate Physics as 9C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.
Thematically, Physics explores science & nature, juvenile literature, matter, force and energy, and physics — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about science & nature, juvenile literature, matter.
- ✓ Curious kids who prefer real-world topics over made-up stories.
Maybe not for
- ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
9C — ClearNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
1/10A 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
- 9781622754182
- Pages
- 115
- Publisher
- The Rosen Publishing Group, Inc
- Published
- 2015
- Type
- Nonfiction