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  • Getting to the Core of Climate Change

    Journal Article |

  • Radiochemist Catherine Riddle

    Journal Article |

  • Science That’s Out of This World

    Journal Article |

  • 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.

  • Floating Balloon

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the mass of a gas. The probe is designed to reveal whether students recognize that an uninflated balloon will increase in mass when inflated with a…

  • Nails in a Jar

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter during a chemical change (oxidation). The probe is designed to find out if students think the mass changes as rust forms…

  • Focusing the Lens of the Crosscutting Concepts on Secondary Science Learning

    Journal Article |

  • Pennies

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the properties of atoms. The probe is designed to determine whether students can distinguish between the microscopic properties of an atom and the…

  • Ice Cubes in a Bag

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter (or mass). The probe is designed to reveal whether students think matter (or mass) is conserved during a change in state.

  • Burning Paper

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter during combustion. The probe is designed to find out if students think the mass changes as paper burns inside a closed…

  • 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…

  • Online Connections: Science Scope

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    Online Connections: Science Scope July-August 2021 Under the Sea Standardized rubric for analyzing healthy and impacted coral Student worksheet for organizing evidence Using Big Data to Understand the History of Planet Earth Connecting to the Next Generation Science Standards Delving Into…

  • Concept-Based Probes: The Justified List

    Journal Article |

  • Supporting Students In Writing Scientific Explanations

    Journal Article |

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