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  • Rolling Marbles

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about circular motion. The probe is designed to determine whether students recognize that an object will move in a straight line unless acted upon by an…

  • 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…

  • Ice Water

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about temperature in the context of phases of matter. The probe is designed to find out if students recognize that the temperature of a substance does…

  • Is It a System?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about systems. The probe is designed to find out whether students can recognize that things with parts that interact or influence each other are systems.

  • Talking About Gravity

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about gravity. The probe is designed to determine whether students recognize that gravity is a universal force that exists everywhere on Earth and in…

  • Freebies and Opportunities for Science and STEM Teachers, January 9, 2024

    Reports Article |

  • A Call to #retireELL in Science Education

    Blog Post |

  • How Are Cancer Cells Different From Normal Cells?

    Lesson Plan |

  • Evaluation of Computing Workshops at the Science Museum

    Journal Article |

  • Building Bridges

    Journal Article |

    We describe a hands-on, collaborative activity designed to illustrate general properties of evolution, provide practice for quantitative skills, promote creativity and collaboration, and enable student self-assessment…

  • Why is the African Elephant Population Changing?

    Lesson Plan |

  • 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.

  • Darkness at Night

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the day/night cycle. The probe is designed to determine whether students recognize that Earth’s rotation explains why it is dark at night and light…

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