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  • 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…

  • Baby Mice

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about heredity. The probe is designed to reveal how students think organisms inherit observable traits.

  • Talking About Forces

    Lesson Plan |

    The purpose of this assessment probe is to elicit beginning ideas about forces. The probe is designed to reveal whether students generally identify forces as pushes and pulls.

  • Who Can Become an Engineer?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about who can become an engineer. The probe is designed to reveal whether students recognize that anyone can become an engineer as long as they study…

  • Boiling Time and Temperature

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the boiling point of a pure substance. The probe is designed to find out whether students recognize that the boiling point of a pure substance…

  • 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.…

  • May 29 Update: NSTA's STEM Forum & Expo Goes Virtual

    Press Release |

  • Apple in the Dark

    Lesson Plan |

    Imagine you are sitting at a table with a red apple in front of you. Your friend closes the door and turns off all the lights. It is totally dark in the room. There are no windows in the room or cracks around the door.…

  • Birthday Candles

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about how we see objects. The probe is designed to find out if students know that light must be reflected from an object and enter the eye in order to…

  • Is the Sun a Star?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the Sun and stars. The probe is designed to uncover students’ ideas about the nature of stars and their recognition that the Sun is an average star…

  • Sam’s Puppy

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about growth. The probe can be used to determine whether students recognize that growth occurs as a result of cell division, which increases the number…

  • Cells and Size

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the size of cells. The probe can be used to determine whether students recognize how small a cell is relative to other things.

  • Why Coherence Matters for Multilingual Learners in Science Instruction

    Blog Post |

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