What reading level is Motion?

Motion by Megan Cooley Peterson is at a Level 3-4 reading level. Recommended for Lower Grades readers (Ages 5-8).

What age is Motion appropriate for?

Motion is recommended for Ages 5-8. HootRating: 8C (Clear).

What genre is Motion?

Motion is nonfiction — Juvenile Nonfiction. Part of the Smithsonian Little Explorer; Little Physicist series.

Does Motion have any content warnings?

Motion has a HootRating of 8C (Clear). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Motion?

Motion by Megan Cooley Peterson is 32 pages (approximately 1,396 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Motion

Megan Cooley Peterson

Motion

Age Rating, Reading Level & Content Guide

by Megan Cooley Peterson

Smithsonian Little Explorer; Little Physicist

Reading Level 3-4 8C Ages 5-8 Balanced Read Page-Turner

The text is written at a 3rd 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

Discover the exciting world of motion through fun examples that show how things move fast, slow, and everything in between! Young readers will learn about gravity and other cool physics ideas with clear explanations and vibrant photos. Simple charts and fun facts make exploring motion easy and exciting for curious minds.

Themes

Science & NatureEducation

Quick Assessment

This is a Level 3-4 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 5-8.

Why we rated Motion 8C

Motion is written at a Level 3-4 reading level across 32 pages (approximately 1,396 words). Strong independent readers around grade 4.3 can typically handle this book on their own; with parent or teacher support, Motion works for readers up to grade 5.3.

Read aloud, Motion takes about 9 minutes, which fits within a single read-aloud session.

We rate Motion as 8C ("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, Motion weaves together science & nature and education.

Good fit for

✓ Children in the Ages 5-8 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, education.
✓ Readers who fall hard for one book and want a long series to live in — there are 3 more books in the Smithsonian Little Explorer; Little Physicist series.
✓ Curious kids who prefer real-world topics over made-up stories.