Skip to main content
  • Hot and Cold Balloons

    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 recognize that the mass of a warm gas in a closed system is the same after…

  • Is It a Solid?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about solids. The probe is designed to reveal the macroscopic and/or microscopic properties students use to decide whether a material is a solid.

  • Nails in a Jar

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about conservation of matter during a chemical change (oxidation). The probe is designed to find out if students think the mass changes as rust forms…

  • Is It Melting?

    Lesson Plan |

    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…

  • Chicken Eggs

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about food, transformation of matter, growth and development, conservation of mass, and systems. The concepts underlying this probe are complex. It is…

  • Wet Jeans

    Lesson Plan |

    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.

  • Iron Bar

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about atoms. The probe is specifically designed to determine whether students can use the idea of atoms to explain why a metal expands when heated.…

  • 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…

  • Chicken Eggs

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about food, transformation of matter, growth and development, conservation of mass, and systems. The concepts underlying this probe are complex. It is…

  • 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.

  • Will It Form a New Substance?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out how students determine whether a new substance with a different chemical makeup is formed when…

  • Plants in the Dark and Light

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about plant growth. The probe is designed to find out whether students recognize that plants use their stored food to grow in the absence of light.

Asset 2