Sending messages with light and sound
Jennifer Boothroyd
Sending messages with light and sound
Age Rating, Reading Level & Content Guide
by Jennifer Boothroyd
The text is written at a 2nd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.
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About This Book
Hear the beep-beep of a flashlight or the buzz of a walkie-talkie! Light and sound can carry secret messages over long distances. Imagine discovering how these invisible waves travel through the air—it's a world full of signals waiting to be explored.
Themes
Quick Assessment
This photo-rich nonfiction book introduces early readers to the basics of communication through light and sound. With clear, simple text and vibrant illustrations, it explains how messages can be sent and received using these methods, making scientific concepts accessible for children ages 5 to 8. The content is appropriate for young readers and encourages curiosity about everyday technology without any concerning themes.
Why we rated Sending messages with light and sound 7C
Sending messages with light and sound is written at a Level 2 reading level across 24 pages. Strong independent readers around grade 3.0 can typically handle this book on their own; with parent or teacher support, Sending messages with light and sound works for readers up to grade 4.0.
We rate Sending messages with light and sound as 7C ("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, Sending messages with light and sound weaves together science & nature and juvenile nonfiction.
Good fit for
- ✓ Children in the Ages 5-8 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 nonfiction.
- ✓ Curious kids who prefer real-world topics over made-up stories.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
7C — 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
- 9781467746878
- Pages
- 24
- Publisher
- Lerner Publications
- Published
- 2015
- Type
- Nonfiction