What's the Matter in Mr. Whiskers' Room?
by Michael Elsohn Ross
Candlewick 2004
Challenging read for K–3rd grade
Reading level 4.2 (4th grade) is above the ages 5–9 interest range
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Genre
Themes
- scientific inquiry
- curiosity
- experimentation
- observation
- states of matter
- teamwork
- problem-solving
About this book
In this lively classroom science story, kids join Mr. Whiskers and his students as they explore solids, liquids, and gases through simple, hands-on investigations. Clear explanations and playful illustrations show how matter changes—melting, freezing, and evaporating—in ways kids can see and try themselves. It’s a friendly introduction to scientific thinking, perfect for curious young readers and budding experimenters. Families and teachers will appreciate how the book turns everyday observations into real science learning.
Setting: an elementary school classroom and science corner
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Frequently Asked Questions
Is What's the Matter in Mr. Whiskers' Room? right for my child?
It depends — here's what to consider for What's the Matter in Mr. Whiskers' Room?. The reading level is AR 4.2, which is typical for 4th grade. The interest level is rated Lower Grades (K–3), meaning the themes and content are designed for ages 5–9 (K–3rd grade). Themes include scientific inquiry, curiosity, experimentation.
How long does it take to read What's the Matter in Mr. Whiskers' Room??
At a typical 4th grade reading pace, What's the Matter in Mr. Whiskers' Room? takes around 12m to finish. The book has 1,800 words. Slower or faster readers may vary significantly.
Does What's the Matter in Mr. Whiskers' Room? have an AR quiz?
Yes — What's the Matter in Mr. Whiskers' Room? has an AR quiz available, worth 0.5 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.
What grade level is What's the Matter in Mr. Whiskers' Room??
What's the Matter in Mr. Whiskers' Room? has an AR reading level of 4.2, which places it at a 4th grade reading difficulty. The interest level is rated Lower Grades (K–3) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.