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  • Core Idea LS1: From Molecules to Organisms: Structures and Processes

    Book Chapter |

    In this chapter, the disciplinary core idea (DCI) is central to biology and also serves as the glue connecting all four DCIs in the life sciences strand. In essence, it is about the properties of living things and…

  • Human Body Basics

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about levels of organization in the human body. The probe is designed to find out whether students recognize cells as the basic unit of both structure…

  • Is It Made of Cells?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about cells. The probe is designed to find out how students think about matter composed of cells.

  • Functions of Living Things

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about life processes. The probe is designed to find out if students recognize that plants and animals share several life functions, even though they are…

  • Whale and Shrew

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about cell size. The probe is designed to reveal whether students think animal cell size is determined by the size of the animal.

  • Is It Food for Plants?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the product of photosynthesis. The probe is designed to reveal (1) whether students recognize that the food a plant makes is the food it uses and (…

  • Is It Living?

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about living and nonliving. It is designed to find out what attributes students consider when determining if something is living or was once living.

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