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…

  • Addressing Potential Laboratory Instructional Site Legal Safety Issues

    Blog Post |

  • Changing Constellations

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about why the constellations change with the seasons. The probe is designed to find out how students use the Earth’s spin and orbit to explain why…

  • Lab Safety and the 'Dirty Dozen'

    Blog Post |

  • Floating Balloon

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the mass of a gas. The probe is designed to reveal whether students recognize that an uninflated balloon will increase in mass when inflated with a…

  • Where Do Stars Go?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about stars. The probe is designed to examine students’ ideas about the location of stars in the daytime.

  • Solar Eclipse

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about eclipses. The probe is designed to find out what students think happens during a solar eclipse.

  • 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.…

  • Safer At-Home Food Science Investigations

    Blog Post |

  • Finding the Next Diamond Mine

    Journal Article |

  • Bonding with the Tutor

    Case Study |

  • The Interview

    Case Study |

  • The Mystery of the Missing Martens

    Case Study |

  • The Game Changer

    Case Study |

Asset 2