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  • Objects and Temperature

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about temperature. The probe is designed to find out whether students recognize that non–heat-producing objects exposed to the same ambient conditions…

  • Halloween Activities: Don’t Be Spooked by the Need to Include Lab Safety

    Blog Post |

  • From the Field: Events and Opportunities, March 23, 2021

    Reports Article |

  • Human Body Basics

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about levels of organization in the human body. The probe is designed to find out whether students recognize cells as the basic unit of both structure…

  • Going Through a Phase

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about Moon phases. The probe is designed to find out if students recognize the role of light reflection and the positional relationship between the Earth…

  • Gazing at the Moon

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the Earth-Sun-Moon system. The probe is designed to uncover students’ ideas about Moon phases and whether they think the phase of the Moon changes…

  • Procuring Lab Chemicals—A ‘Cradle to Grave’ Safety Issue

    Blog Post |

  • Giant Sequoia Tree

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the transformation of matter. The probe is designed to reveal whether students recognize that most of the matter that makes up the wood of a tree…

  • Mountain Age

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about processes that affect the shape of mountains. The probe is designed to reveal whether students understand the role of weathering in shaping…

  • Apple in the Dark

    Lesson Plan |

    Imagine you are sitting at a table with a red apple in front of you. Your friend closes the door and turns off all the lights. It is totally dark in the room. There are no windows in the room or cracks around the door.…

  • Birthday Candles

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about how we see objects. The probe is designed to find out if students know that light must be reflected from an object and enter the eye in order to…

  • The Safety Checklist: Navigating to Safer Waters!

    Blog Post |

  • Gearing Up Instructional Spaces Safety-Wise for the New School Year, Part II

    Blog Post |

  • Get Ready for the 2023-24 Solar Eclipse 'Double-Header'

    Blog Post |

  • Can It Reflect Light?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about reflection. The probe is designed to find out if students recognize that all objects we can see reflect some light.

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