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  • 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…

  • Baby Mice

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about heredity. The probe is designed to reveal how students think organisms inherit observable traits.

  • Seeing the Struggle and Reaping the Rewards

    Journal Article |

  • Integrating STEM Teaching and Learning into the K–2 Classroom

    Archived Conference Session |

  • May 29 Update: NSTA's STEM Forum & Expo Goes Virtual

    Press Release |

  • Needs of Seeds

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about seeds. The probe is designed to find out what students think most seeds need to germinate.

  • Seedlings in a Jar

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter in a closed system after a transformation of matter from seed to seedling has taken place. The probe is designed to reveal…

  • Beach Sand

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about beach formation. It is designed to reveal whether students use concepts of weathering, erosion, and deposition to explain how a beach made up of…

  • Needs of Seeds

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about seeds. The probe is designed to find out what students think most seeds need to germinate.

  • Is It a Rock? (Version 2)

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about an Earth material, rocks. The probe is designed to determine whether students can distinguish between humanmade, “rocklike” materials and…

  • Darkness at Night

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the day/night cycle. The probe is designed to determine whether students recognize that Earth’s rotation explains why it is dark at night and light…

  • Don’t Force It!

    Journal Article |

  • How Can Light Make Dark Shadows and Bright Reflections?

    Lesson Plan |

  • What Is a Hypothesis?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about hypotheses. The probe is designed to find out if students understand what a hypothesis is, when it is used, and how it is developed.

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