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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…

  • Arguing About a Chemical Change

    Journal Article | November 2019

    of how the molecules interact and recombine during the chemical reaction … Table 1) highlights key components of ACT-type questions …

  • Understanding Chemical and Physical Changes

    Journal Article | February 2020

  • Arguing About a Chemical Change

    Journal Article | February 2020

    While argumentative writing may take time to master, the skills developed … is conserved during a chemical reaction” (NGSS Lead States 2013; See NGSS table … that mass is conserved in a chemical reaction. The lesson includes a writing …

  • 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…

  • Observing Environmental Changes from Earth's Orbit

    Journal Article | April 2019

    Astronomy throughout the year.

  • How Does Climate Change Affect Oyster Populations?

    Journal Article | February 2020

  • 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…

  • Chemical Changes

    Collection | August 2017

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  • 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-…

  • Physical and Chemical Changes in Matter

    Collection | April 2015

    This collection's main focus is about teaching the difference between physical and chemical changes in matter. These items are all related to this topic, including pre-assessments, lessons, and information about the…

  • Physical and Chemical Changes

    Collection | January 2017

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