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  • Turning the Dial

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about a physical property of matter. The probe is designed to reveal whether students recognize that under the same conditions, boiling point remains the…

  • Hot and Cold Balloons

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter. The probe is designed to reveal whether students recognize that the mass of a warm gas in a closed system is the same after…

  • From the Field: Freebies and Opportunities for Science and STEM Teachers, August 16, 2022

    Reports Article |

  • Freezing Ice

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about freezing point. The probe is designed to find out if students recognize that the temperature at which water freezes is independent of the volume.

  • Freebies for Science Teachers, February 15, 2022

    Reports Article |

  • Will It Form a New Substance?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out how students determine whether a new substance with a different chemical makeup is formed when…

  • 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…

  • How Can a Helicopter Fly on Mars?

    Lesson Plan |

  • Is It a Theory?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the nature of science. The probe is designed to find out if students distinguish scientific theories from the common use of the word theory and if…

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