States of Matter

Name: States of Matter
Author: Perfection Learning Corporation
ISBN: 0789166410

Age Rating, Reading Level & Content Guide

by Perfection Learning Corporation

Material World (Perfection Learning); Reading Essentials in Science

Reading Level 5-6 C · Gentle Ages 9-12 Balanced Read Page-Turner

The text is written at a 5th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes. Its HootRating code, C, means gentle content.

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About This Book

Discover the exciting world of solids, liquids, and gases through an adventurous story that makes science fun and easy to understand. Follow along as characters explore how matter changes and behaves in surprising ways. Perfect for curious minds ready to uncover the mysteries of everyday science!

Themes

Science & Nature AdventureEducational

Quick Assessment

This is a Level 5-6 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 9-12.

Why we rated States of Matter C (Gentle)

States of Matter is written at a Level 5-6 reading level across 24 pages (approximately 2,243 words). Reading-wise, most kids in grade 7 and up can manage States of Matter on their own; younger readers can enjoy it with a parent or teacher reading along.

Read aloud, States of Matter takes about 15 minutes, which fits within a single read-aloud session.

We rate States of Matter as C (Gentle) 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, States of Matter explores science & nature, adventure, and educational — 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.
✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
✓ Kids drawn to stories about science & nature, adventure, educational.
✓ Readers who fall hard for one book and want a long series to live in — there is one more book in the Material World (Perfection Learning); Reading Essentials in Science series.
✓ Curious kids who prefer real-world topics over made-up stories.

Maybe not for

! Readers looking for something heavier — this is a gentle, low-stakes story by design.

For Parents

Content Intensity

C · Gentle

Emotional

Gentle

Physical

Gentle

Social

Gentle

Thematic

Gentle

Reading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate

No conflict beyond everyday childhood experiences. Safe for sensitive readers.

Data confidence: standard

Was our "Gentle" content intensity rating accurate for this book?