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  • Student Performance in Ground Versus Online Sections of a Biological Science I College Course

    Journal Article |

    This study is a comparison of ground-based versus online student performance using a combination of common final examination scores and associated demographic data in a biological science college course taught by a…

  • The Hot and Cold of Volcanoes

    Journal Article |

  • Freebies and Opportunities for Science and STEM Teachers, September 26, 2023

    Reports Article |

  • Is It a Rock? (Version 2)

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about an Earth material, rocks. The probe is designed to determine whether students can distinguish between humanmade, “rocklike” materials and…

  • Burning Paper

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter during combustion. The probe is designed to find out if students think the mass changes as paper burns inside a closed…

  • Working Together to Save Lives

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the role of different professions in contributing to the solution of a problem that benefits society, such as the development of a lifesaving…

  • The Rusty Nails

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about a common phenomenon—rusting. The probe is designed to find out what students think happens to the mass of iron nails after a chemical change.

  • From the Field: Events and Opportunities, March 23, 2021

    Reports Article |

  • Will It Form a New Substance?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out how students determine whether a new substance with a different chemical makeup is formed when…

  • Ramp It Up!

    Journal Article |

    Preschoolers investigate force and motion with a digital journal.

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