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  • Long Overdue: Results From a National STEM Lab Safety Study

    Blog Post |

  • Ecosystem Cycles

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the transfer of matter and energy in ecosystems. The probe is designed to reveal whether students recognize that only matter is cycled through an…

  • Functions of Living Things

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about life processes. The probe is designed to find out if students recognize that plants and animals share several life functions, even though they are…

  • Equal and Opposite

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about pairs of forces that fit Newton’s third law. The probe is specifically designed to reveal whether students can identify third law force pairs as…

  • Systems Within Systems

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about technological systems. The probe is designed to determine the extent to which students recognize that all systems are nested within and…

  • Team Players?

    Lesson Plan |

    The purpose of this assessment probe is to elicit student’ ideas about engineers and teamwork. The probe is designed to see if students recognize that different types of engineers and other professionals must work as…

  • Spaceships

    Lesson Plan |

    This probe is designed to elicit students’ ideas about changing the direction of motion in the absence of air. Many students will have seen movies or television shows in which spaceships turn by banking or using wing…

  • What’s the Purpose of Technology?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the purpose of technology. The probe is designed to find out if students recognize that technologies are developed to meet human needs and preserve…

  • Surrounded by Technologies

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ understanding of the word technology. The probe is designed to find out if students are aware that they live in a world composed almost entirely of…

  • Making It Better

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about different ways to optimize a design that has been successful in the past, but that still needs improvement. The probe is designed to see if…

  • Does It Have to Touch?

    Lesson Plan |

    The purpose of this assessment probe is to elicit beginning ideas about types of forces. The probe is designed to reveal whether students recognize that forces can act both in direct contact with an object and at a…

  • 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…

  • From the Field: Events and Opportunities, December 14, 2021

    Reports Article |

  • An Engineering Design Process

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about an engineering design process. The probe is designed to show how students think of engineering design as a logical sequence. 

  • How Do Technologies Change?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about how technologies change. The probe is designed to see if students are aware of the way nearly all technologies change over time.

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