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Classifying Water

by: Page Keeley and Susan Cooper

The purpose of this assessment probe is to elicit students’ ideas about elements and compounds. It is designed to find out how students classify a common substance, water. The probe is best used with students in grades 5–12, preferably after they have encountered the terms element and compound. It can be modified to gather students’ ideas about whether water can be an atom, molecule, or both. The probe is provided in English and Spanish. A materials list, teacher notes, standards, assessment, and references are provided. This book selection also includes the Table of Contents, Preface, Acknowledgments, Dedication, About the Authors, Introduction, and Index.

Grade Levels

Elementary High School Middle School


Assessment Phenomena Physical Science Physics Three-Dimensional Learning


Type Book ChapterPub Date 3/12/2019Pages 35Stock # PB274X3_15

NSTA Press produces classroom-ready activities, hands-on approaches to inquiry, relevant professional development, the latest scientific education news and research, assessment and standards-based instruction.

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