What reading level is Sun?

Sun by William B. Rice is at a Level 2-3 reading level. Recommended for Lower Grades readers (Ages 5-8).

Sun is nonfiction — Juvenile Nonfiction. Part of the Science Reader: Closer Look: Neighbors in Space series.

Does Sun have any content warnings?

Sun has a HootRating of 7IE (Intense — Emotional). Content flags include: Physical Danger, Emotional: Fear & Anxiety, Emotional: Mental Health, Physical/Safety: 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 Sun?

Sun by William B. Rice is 32 pages (approximately 366 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Sun

William B. Rice

Sun

Q: What age is Sun appropriate for?

Sun is recommended for Ages 5-8. HootRating: 7IE (Intense — Emotional). Content flags: Physical Danger, Emotional: Fear & Anxiety, Emotional: Mental Health, Physical/Safety: Illness & Injury.

Age Rating, Reading Level & Content Guide

by William B. Rice

Science Reader: Closer Look: Neighbors in Space

Reading Level 2-3 7IE Ages 5-8 Heads Up Page-Turner

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 intense and may include graphic or distressing scenes.

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About This Book

Discover the amazing Sun and its place in our solar system, learning what it is made of and how it travels through space. Explore how the Sun affects life on Earth and why it's so important to our planet. Perfect for curious young readers eager to understand the star at the center of our solar system.

Themes

Science & Nature

Quick Assessment

This is a Level 2-3 book with intense content intensity. Note: content intensity (Intense) exceeds what the reading level might suggest. Content themes include physical danger, emotional: fear & anxiety, emotional: mental health. Written for readers ages 5-8.

Why we rated Sun 7IE

Sun is written at a Level 2-3 reading level across 32 pages (approximately 366 words). Strong independent readers around grade 3.3 can typically handle this book on their own; with parent or teacher support, Sun works for readers up to grade 4.3.

Read aloud, Sun takes about 2 minutes, which fits within a single read-aloud session.

We rate Sun as 7IE ("Intense — Emotional") because the content sits in the "Intense" range — intense conflict including peril, frightening scenes, or emotionally heavy themes. The strongest signals come from emotional weight, physical peril — these are the dimensions parents should evaluate against their reader's tolerance.

Specific content flags noted by reviewers: Physical Danger, Emotional: Fear & Anxiety, Emotional: Mental Health, Physical/Safety: Illness & Injury.

Thematically, Sun centers on science & nature.

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.
✓ Readers who fall hard for one book and want a long series to live in — there are 5 more books in the Science Reader: Closer Look: Neighbors in Space series.
✓ Curious kids who prefer real-world topics over made-up stories.

Maybe not for

! Sensitive readers who get overwhelmed by intense conflict or scary scenes.
! Children younger than 5-8 — the content intensity is above what most younger kids can process comfortably.