Sinking and Floating
by Natalie M. Rosinsky
Compass Point Books 2007
Great fit for 3rd grade
Reading level and content both target K–3rd grade · ages 5–9
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Genre
Themes
- scientific inquiry
- experimentation
- cause and effect
- properties of matter
- observation
- STEM
- problem-solving
About this book
This clear, photo-rich nonfiction book introduces young readers to why some things sink and others float. Using everyday objects and simple experiments, it explains buoyancy, density, and how shape and materials affect what happens in water. Short, accessible text and engaging visuals make big science ideas feel friendly and fun. It’s a great fit for early elementary learners curious about how the world works.
Setting: everyday real-world examples and simple experiments with water
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Frequently Asked Questions
Is Sinking and Floating right for my child?
Yes — Sinking and Floating is a great fit for 3rd grade. The reading level is AR 3.5, which is typical for 3rd 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, experimentation, cause and effect.
How long does it take to read Sinking and Floating?
At a typical 3rd grade reading pace, Sinking and Floating takes around 7m to finish. The book has 900 words. Slower or faster readers may vary significantly.
Does Sinking and Floating have an AR quiz?
Yes — Sinking and Floating 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 Sinking and Floating?
Sinking and Floating has an AR reading level of 3.5, which places it at a 3rd 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.