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  • Yes, and Cross-Curricular Planning for Preschool

    Journal Article | August 2019

  • Is It Matter?

    Lesson Plan | August 2020

    The purpose of this assessment probe is to elicit students’ ideas about matter. The probe is designed to reveal the characteristics students use to describe and define matter.

  • Turning the Dial

    Lesson Plan | December 2022

    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…

  • Boiling Time and Temperature

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about the boiling point of a pure substance. The probe is designed to find out whether students recognize that the boiling point of a pure substance…

  • Is It Made of Molecules?

    Lesson Plan | August 2020

    The purpose of this assessment probe is to elicit students’ ideas about molecules. The probe is designed to uncover whether students recognize that objects, materials, and substances of both a biological and physical…

  • What’s in the Bubbles?

    Lesson Plan | December 2022

    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…

  • Is It Melting?

    Lesson Plan | August 2020

    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…

  • Ice Cubes in a Bag

    Lesson Plan | August 2020

    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.

  • Solids and Holes

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about the density of a solid object. The probe is designed to find out whether students recognize that in this phenomenon, air is not displaced, such as…

  • Comparing Cubes

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about properties of matter. The probe is designed to find out which properties students think will change if the size of an object made from the same…

  • Floating High and Low

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about density and buoyancy. The probe is designed to find out how students think an object can be changed to make it float differently.

  • Freezing Ice

    Lesson Plan | December 2022

    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.

  • Floating Logs

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about floating and sinking. The probe is designed to find out if students think changing the size of an object affects how it floats.

  • Mass, Volume, and Density

    Lesson Plan | June 2021

    The purpose of this assessment probe is to elicit students’ ideas about density. The probe is designed to find out whether students have commonly held ideas about mass, volume, shape, and other properties that interfere…

  • Chemical Bonds

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about chemical bonds. The probe is designed to find out how students interpret molecular models.

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