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  • 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…

  • Changing Constellations

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about why the constellations change with the seasons. The probe is designed to find out how students use the Earth’s spin and orbit to explain why…

  • Laboratory Waste Disposal Safety Protocols

    Blog Post |

  • 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…

  • Is It Melting?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the physical process of melting. The probe is designed to find out if students recognize melting as a change in state from solid to liquid that…

  • Liability of Science Educators for Laboratory Safety

    Position Statement |

  • Advice to Future Participants From Six Cohorts of an Undergraduate Summer Research Program in Atmospheric Science

    Journal Article |

    Many undergraduates use research internships to gain experience for graduate school. Science, technology, engineering, and mathematics (STEM) programs involve heavy research and lab work duties, for which students are…

  • Digging for Data

    Journal Article |

  • Design Your Own Navy

    Journal Article |

    Virtual shipbuilding technology from professional naval engineeers

  • Safer At-Home Food Science Investigations

    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…

  • Exploring Cell Biology Through a Silent Teaching Film From 1929

    Journal Article |

    Exploring science and history with the Library of Congress

  • What Happens When You Bring a Balloon Near Wall

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about electrical interactions. The probe is designed to find out how students visually represent electrical interactions.

  • 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…

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