What reading level is Who Was Isaac Newton??

Who Was Isaac Newton? by Janet B. Pascal is at a Level 5-6 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Who Was Isaac Newton? appropriate for?

Who Was Isaac Newton? is recommended for Ages 9-12. HootRating: 10C (Clear). Content flags: Illness & Injury.

What genre is Who Was Isaac Newton??

Who Was Isaac Newton? is nonfiction — Juvenile Nonfiction. Part of the Who Was...?/Who Is...? series.

Does Who Was Isaac Newton? have any content warnings?

Who Was Isaac Newton? has a HootRating of 10C (Clear). Content flags include: Illness & Injury. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Who Was Isaac Newton??

Who Was Isaac Newton? by Janet B. Pascal is 112 pages (approximately 7,986 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Who Was Isaac Newton?

Janet B. Pascal

Who Was Isaac Newton?

Age Rating, Reading Level & Content Guide

by Janet B. Pascal

Who Was...?/Who Is...?

Reading Level 5-6 10C 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.

Buy on Amazon Listen on Audible Find on Bookshop.org

We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.

About This Book

Discover how a curious and solitary young thinker unlocked the secrets of the universe during a challenging time. When illness closed his college, he turned his quiet days at home into moments of groundbreaking discovery about gravity and motion. Journey through the life of a scientific genius whose ideas changed the world forever.

Themes

Science & NatureBiographyHistorical

Quick Assessment

This is a Level 5-6 book with gentle content intensity. Content themes include illness & injury. Written for readers ages 9-12.

Why we rated Who Was Isaac Newton? 10C

Who Was Isaac Newton? is written at a Level 5-6 reading level across 112 pages (approximately 7,986 words). Strong independent readers around grade 6.9 can typically handle this book on their own; with parent or teacher support, Who Was Isaac Newton? works for readers up to grade 7.9.

Read aloud, Who Was Isaac Newton? takes about 53 minutes, which fits within a single read-aloud session.

We rate Who Was Isaac Newton? as 10C ("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.

Specific content flags noted by reviewers: Illness & Injury.

Thematically, Who Was Isaac Newton? explores science & nature, biography, and historical — 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, biography, historical.
✓ Readers who fall hard for one book and want a long series to live in — there are 8 more books in the Who Was...?/Who Is...? series.
✓ 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.