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  • What’s in the Bubbles?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about particles during a phase change. The probe is designed to find out if students recognize that the bubbles formed when water boils are the result of…

  • Is It an Engineering Problem?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about how to approach a problem. The probe is designed to gain insight into how students think about an engineering design process (EDP) and the kinds of…

  • Is It Affordable?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about trade-offs. The probe is designed to find out whether students recognize that trade-offs involve sacrificing one or more things in favor of another…

  • 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…

  • Picking the Best Solution

    Lesson Plan |

    The purpose of this assessment probe is to provide practice in using a decision matrix. The probe is designed to see if students are able to interpret a decision matrix and to help you determine difficulties they may…

  • Reasons for Success

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the use of evidence and reasoning to support a claim. The probe is designed to see if students apply systematic methods of reasoning from evidence…

  • Who Needs It?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about who needs to be consulted when solving a problem (the client). The probe is designed to reveal the extent to which students recognize that the…

  • 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…

  • Is Engineering Creative?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about creativity in engineering. The probe is designed to determine the extent to which students think that creativity is an important part of…

  • Engineering and Nature

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about how engineers use designs from nature. The probe is designed to see if students recognize that designs from nature provide creative ideas for…

  • 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…

  • What Is a Product’s Life Cycle?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the life cycle of a product. The probe is designed to see how students apply the concept of life cycle analysis to determine the impact of a…

  • 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…

  • Is Engineering Experimental?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about using experimentation to solve a problem. The probe is designed to see if students recognize that (1) solving a problem in baking is considered…

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