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Sink or float? book cover

Sink or float?

by Leslie Fox

Harcourt 1999

Great fit for 1st grade

Reading level and content both target K–3rd grade · ages 5–9

1st grade English
12
Pages
0.3
AR Points
2m
Read time
AR Quiz Available

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Genre

Nonfiction

Themes

  • scientific inquiry
  • observation
  • prediction and testing
  • cause and effect
  • curiosity
  • properties of matter
  • problem-solving
  • hands-on learning

About this book

This simple nonfiction reader introduces young scientists to the idea of buoyancy—why some objects float while others sink. Using everyday items and clear photos, it invites children to make predictions and test their ideas in water. Short, easy-to-read text supports early readers and encourages hands-on exploration. It’s a great pick for curious kids in kindergarten and first grade.

Setting: a classroom or home sink/tub during simple science experiments

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Frequently Asked Questions

Is Sink or float? right for my child?

Yes — Sink or float? is a great fit for 1st grade. The reading level is AR 1, which is typical for 1st 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, observation, prediction and testing.

How long does it take to read Sink or float??

At a typical 1st grade reading pace, Sink or float? takes around 2m to finish. The book has 140 words. Slower or faster readers may vary significantly.

Does Sink or float? have an AR quiz?

Yes — Sink or float? has an AR quiz available, worth 0.3 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 Sink or float??

Sink or float? has an AR reading level of 1, which places it at a 1st 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.