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  • Apple on a Desk

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about forces. The probe is designed to find out whether students recognize that balanced forces act on a stationary object.

  • Is It Food?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about food. The probe is designed to find out if students use a scientific definition of food to distinguish food items from nonfood items.

  • 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.

  • Solids and Holes

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the density of a solid object. The probe is designed to find out whether students recognize that in this phenomenon, air is not displaced, such as…

  • Case Studies in Environmental Justice

    Journal Article |

  • Freebies for Science and STEM Teachers/From the Field, March 29, 2022

    Reports Article |

  • Where Did the Water Come From?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about condensation. The probe is designed to determine whether students recognize that condensation comes from the water vapor in the air.

  • Crossing the Amazon by LEGO

    Journal Article |

  • The SDM Finger

    Journal Article |

    Exploring makerspaces, engineering, and more

  • The Hunger Pains

    Case Study |

  • Freebies for Science Teachers, March 30, 2021

    Reports Article |

  • The Sun's Energy

    Journal Article |

  • Career of the Month: Aerospace Engineer

    Journal Article |

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