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  • Is It a Chemical Change?

    Book Chapter | March 2019

    Observations provide evidence of a chemical change. The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out what changes students use as evidence of a…

  • Chemical Change Café

    Book Chapter | August 2011

    Learners explore the differences between chemical and physical changes by observing a variety of changes in mater. Learners observe the chemical change of cooking pancakes and identify new menu items for the Chemical…

  • Understanding Chemical Changes

    Book Chapter | October 2010

    Predict, Observe, Explain (POE) sequences provide an important way to enhance students' understanding of important scientific ideas. In this chapter, the series of experiments help students understand chemical changes…

  • What Is the Result of a Chemical Change?

    Book Chapter | March 2019

    The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out whether students recognize that substances change chemically as a result of a chemical reaction…

  • Butter Battle: Physical Changes Versus Chemical Changes

    Book Chapter | April 2011

    When passing hot rolls around the dinner table, buying popcorn at a movie theater, or making cookies, it is there: butter. Creating butter in a bottle helps students see how a physical change can be more drastic than an…

  • Mixing and Making a Change: Chemical Science

    Book Chapter | April 2016

    Mixing and making a change engages children in learning chemistry long before they are able to understand the atomic structure of materials. This chapter focuses on activities of mixing materials in the kitchen to help…

  • Understanding Chemical and Physical Changes

    Journal Article | February 2020

  • Arguing About a Chemical Change

    Journal Article | February 2020

    Use a sample ACT writing prompt in an explore-before-explain instructional sequence to a 9th-grade physical science class to promote student learning and demonstrate that mass is conserved in a chemical reaction

  • Arguing About a Chemical Change

    Journal Article | November 2019

  • Science 101: Why does a color change indicate a chemical change?

    Journal Article | February 2006

    There are a a number of indicators you can use to determine whether or not a chemical reaction has occurred. Among them are a change in color, the evolution of a gas, and the production or absorption of heat. To…

  • Chemicals Gone Funny

    Journal Article | May 2022

  • Science Sampler: Enhancing student understanding of physical and chemical changes

    Journal Article | October 2009

    Students within the Findlay, Ohio, City School District, as well as students across the country, struggle with understanding physical and chemical changes. Therefore, in this article, the authors suggest some standards-…

  • Using Student-Generated Questions to Investigate Chemical Reactions

    Journal Article | January 2021

  • Chemical Changes

    Collection | August 2017

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  • Getting to the Core of Climate Change

    Journal Article | January 2021

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