HOW CAN I MAKE NEW STUFF FROM OLD STUFF?

HOW CAN I MAKE NEW STUFF FROM OLD STUFF?

Chemical Reactions and Conservation of Matter

IQWST LEADERSHIP AND DEVELOPMENT TEAM

Joseph S. Krajcik, Ph.D., Michigan State University Brian J. Reiser, Ph.D., Northwestern University

LeeAnn M. Sutherland, Ph.D., University of Michigan David Fortus, Ph.D., Weizmann Institute of Science

Unit Leaders

Strand Leader: Joseph S. Krajcik, Ph.D., Michigan State University Lead Developer: Katherine L. McNeill, Ph.D., Boston College

Unit Contributors

Christopher J. Harris, Ph.D., SRI International David J. Lizotte, Ph.D., University of Michigan LeeAnn M. Sutherland, Ph.D., University of Michigan Mary H. Van de Kerkhof, University of Michigan Ron Marx, Ph.D., University of Arizona, Tucson, AZ Elizabeth B. Moje, Ph.D., University of Michigan Ann Novak, Greenhills School, Ann Arbor, MI

Unit Pilot Teachers

Ann Novak, Greenhills School, Ann Arbor, MI Chris Gleason, Greenhills School, Ann Arbor, MI Kalonda Colson McDonald, Bates Academy, Detroit Public Schools, MI

Unit Reviewers

Brian P. Coppola, Ph.D., University of Michigan George DeBoer, Ph.D., Project 2061, American Association for the Advancement of Science Sofia Kesidou, Ph.D., Project 2061, American Association for the Advancement of Science Jo Ellen Roseman, Ph.D., Project 2061, American Association for the Advancement of Science

Investigating and Questioning Our World through Science and Technology (IQWST)

HOW CAN I MAKE NEW STUFF FROM OLD STUFF?

Chemical Reactions and Conservation of Matter

Student Edition Introduction to Chemistry 2 (IC2) IC2 Stuff SE 2.0.2 ISBN-13: 978-1-937846-94-7

Introduction to Chemistry 2 (IC2) How Can I Make New Stuff from Old Stuff? Chemical Reactions and Conservation of Matter ISBN-13: 978-1-937846-94-7 Copyright ? 2013 by SASC LLC. All rights reserved. No part of this book may be reproduced, by any means, without permission from the publisher. Requests for permission or information should be addressed to SASC LLC, 50 Washington Street, 12th floor, Norwalk, CT 06854

About the Publisher

Sangari Active Science Corporation is a mission-driven company that is passionate about STEM education. We make it easy for teachers to teach with quality, investigation-c entered science curriculum, tools, and technology. For more information about what we do, please visit our website at .

IQWST (Investigating and Questioning Our World through Science and Technology) was developed with funding from the National Science Foundation grants 0101780 and 0439352 awarded to the University of Michigan, and 0439493 awarded to Northwestern University. The ideas expressed herein are those of members of the development team and not necessarily those of NSF.

IC2 CONTENTS

Scientific Principles

vi

Driving Question Notes

viii

Lesson 1 ? How Is This Stuff the Same and Different?

1

Lesson 2 ? Do Fat and Soap Dissolve in the

Same Liquid?

13

Lesson 3 ? Do Fat and Soap Melt at Different

Temperatures?

19

Lesson 4 ? What Other Properties Can Distinguish

Soap from Fat?

29

Lesson 5 ? How Are Fat and Soap Different?

39

Lesson 6 ? What Happens to Properties When

I Combine Substances?

45

Lesson 7 ? Is Burning a Chemical Reaction?

53

Lesson 8 ? Does Acid Rain Make New Substances?

61

Lesson 9 ? Is This a New Substance?

79

Lesson 10 ? How Is a Mixture Different from a

Chemical Reaction?

87

Lesson 11 ? How Can I Make Soap from Fat?

95

Lesson 12 ? Does Mass Change in a Chemical Reaction? 101

Lesson 13 ? Is My Soap a New Substance?

117

Lesson 14 ? How Does My Soap Compare or

How Can I Improve My Soap?

121

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