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  • Core Idea PS1: Matter and Its Interactions

    Book Chapter | October 2016

    This chapter focuses on matter and its interactions and discusses the importance of how a rich understanding of atomic theory leads to a deeper understanding of why there are so many different substances in the world. A…

  • Developing the Next Generation of Elementary Science Teachers

    Journal Article | December 2020

    National science education documents emphasize new learning outcomes of elementary students; therefore, the preparation of elementary teachers should be revised to meet these challenges. This article describes how…

  • Developing the Next Generation of Elementary Science Teachers

    Journal Article | November 2019

    This article describes how science educators at a large southeastern university developed specialized science training for elementary preservice teachers (EPSTs) by creating a combination of discipline-specific science…

  • 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…

  • 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…

  • Seedlings in a Jar

    Lesson Plan | August 2020

    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…

  • 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.

  • The Rusty Nails

    Lesson Plan | August 2020

    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.

  • 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.

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