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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.

  • 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…

  • 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.

  • 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…

  • Model of Air Inside a Jar

    Lesson Plan | July 2021

    The purpose of this assessment probe is to elicit students’ ideas about the particle model of matter. The probe is designed to find out if students recognize that air is made up of particles that are widely spaced with…

  • Wet Jeans

    Lesson Plan | August 2020

    The purpose of this assessment probe is to elicit students’ ideas about the water cycle. The probe is designed to reveal whether students recognize that water goes into the air around us after it evaporates.

  • Cookie Crumbles

    Lesson Plan | August 2020

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter. The probe is designed to reveal whether students think weight is conserved when a whole object is broken up into small…

  • Lemonade

    Lesson Plan | August 2020

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter. The probe is designed to reveal whether students think matter is conserved when a substance is dissolved in a liquid.

  • How Do We Cross Bodies of Water?

    Lesson Plan | April 2020

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