What reading level is Cobalt?

Cobalt by Paula Johanson is at a Level 3 reading level. Recommended for Lower Grades readers (Ages 5-8).

What age is Cobalt appropriate for?

Cobalt is recommended for Ages 5-8. Content intensity: "Gentle" (1/5).

What genre is Cobalt?

Cobalt is nonfiction — Juvenile Nonfiction.

Does Cobalt have any content warnings?

Cobalt has a content intensity rating of "Gentle" (1/5). No specific content flags noted. On HootRated, every book is rated for emotional, physical, and social content themes to help parents make informed choices.

How many pages is Cobalt?

Cobalt by Paula Johanson is 56 pages.

Cobalt

Paula Johanson

Cobalt

Age Rating, Reading Level & Content Guide

by Paula Johanson

Reading Level 3 Gentle (Lvl 1) Ages 5-8 Balanced Read

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

Cobalt is not just any metal—it's a superhero of the periodic table! From powering colorful paints to helping batteries come alive, cobalt’s special powers make it a star in science and everyday life. Discover why this shiny element is more important than you ever imagined.

Themes

Science & NatureChemistryEducationalMetals

Quick Assessment

This engaging early reader introduces children aged 5-8 to the element cobalt, explaining its properties, natural occurrence, and practical uses in a clear and accessible way. The book fosters curiosity about chemistry and metals while supporting foundational science learning for young readers. Its straightforward factual content is suitable for early elementary students with no sensitive material.