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  • Got Covid-19 Cabin Fever?

    Journal Article | January 2022

  • Emmy’s Moon and Stars

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about the relative position of common objects seen in the night sky. The probe is designed to find out if students recognize how far away the stars are…

  • Objects in the Sky

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about when objects can be seen in the sky. The probe is designed to reveal whether students consider light and distance in determining what they can see…

  • Gazing at the Moon

    Lesson Plan | August 2020

    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…

  • Going Through a Phase

    Lesson Plan | August 2020

    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…

  • Darkness at Night

    Lesson Plan | December 2022

    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…

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