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  • Core Idea PS1: Matter and Its Interactions

    Book Chapter |

    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 |

    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 |

    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 Made of Molecules?

    Lesson Plan |

    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 Matter?

    Lesson Plan |

    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.

  • Cookie Crumbles

    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 think weight is conserved when a whole object is broken up into small…

  • Chemical Bonds

    Lesson Plan |

    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.

  • Floating High and Low

    Lesson Plan |

    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.

  • Lemonade

    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 think matter is conserved when a substance is dissolved in a liquid.

  • Seedlings in a Jar

    Lesson Plan |

    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…

  • The Rusty Nails

    Lesson Plan |

    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.

  • 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…

  • 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.

  • Comparing Cubes

    Lesson Plan |

    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…

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