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  • Is It a Chemical Change?

    Book Chapter |

    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…

  • Understanding Chemical Changes

    Book Chapter |

    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…

  • Chemical Change Café

    Book Chapter |

    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…

  • What Is the Result of a Chemical Change?

    Book Chapter |

    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 |

    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 |

    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 |

  • Arguing About a Chemical Change

    Journal Article |

    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 |

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

    Journal Article |

    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…

  • Is It A Change?

    Journal Article |

  • Chemicals Gone Funny

    Journal Article |

  • Chemical Cargo Carrier

    Journal Article |

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