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  • 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…

  • Issues of Question Equivalence in Online Exam Pools

    Journal Article |

    During the pandemic, the use of question pools for online testing was recommended to mitigate cheating, exposing multitudes of science, technology, engineering, and mathematics (STEM) students across the globe to this…

  • Rotting Apple

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about decay and decomposers. The probe can be used to determine whether students recognize the need for a biological agent to break down once-living…

  • 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…

  • Global Warming

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about global warming. The probe is designed to find out what students think contributes to global warming.

  • Ice-Cold Lemonade

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about transfer of energy. The probe is designed to determine whether students recognize that heat flows from warmer objects or areas to cooler ones.

  • Is It “Fitter”?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about natural selection. The probe is designed to find out how students interpret the commonly used phrase “survival of the fittest.”

  • Rethinking Online Science Learning

    Journal Article |

  • Where Do You Find Earth’s Plates?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about Earth’s plates. The probe is designed to find out where students think tectonic plates are located.

  • Using Trade Books and Biographies to Bring the Practices of Engineering to Life

    Journal Article |

  • Chicken Eggs

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about food, transformation of matter, growth and development, conservation of mass, and systems. The concepts underlying this probe are complex. It is…

  • Changing Constellations

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about why the constellations change with the seasons. The probe is designed to find out how students use the Earth’s spin and orbit to explain why…

  • Is It Made of Parts?

    Lesson Plan |

    The purpose of this assessment probe is to elicit children’s developing ideas about structure in living systems. The probe is designed to find out if students recognize that living things are made up of parts.

  • Plants in the Dark and Light

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about plant growth. The probe is designed to find out whether students recognize that plants use their stored food to grow in the absence of light.

  • From the Field: Events and Opportunities, December 15, 2020

    Reports Article |

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