American Farm Bureau Foundation for Agriculture

Why is the Ocean Salty?

by: Page Keeley and Laura Tucker

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The purpose of this assessment probe is to elicit students’ ideas about the ocean’s salinity. This probe is best used with grades 5–12, and is designed to uncover students’ ideas about the role of landforms and rivers in carrying salt into the ocean. Understanding why the sea is salty begins with knowing how water cycles among the ocean’s physical states: liquid, vapor, and ice. A materials list, teacher background information, references, assessment, and outcomes are provided. This book selection includes the Table of Contents, Foreword, Preface, Acknowledgments, About the Authors, Introduction, and Index.

Grade Levels

Elementary High School Middle School

Topics

Assessment Earth & Space Science Environmental Science Instructional Materials

Details

Type Book ChapterPub Date 3/24/2016Pages 46Stock # PB355X_7

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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