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  • Darkness at Night

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about the day/night cycle. The probe is designed to determine whether students recognize that Earth’s rotation explains why it is dark at night and light…

  • Floating Logs

    Lesson Plan |

    The purpose of this assessment probe is to elicit students’ ideas about floating and sinking. The probe is designed to find out if students think changing the size of an object affects how it floats.

  • Crossing the Amazon by LEGO

    Journal Article |

    An interdisciplinary STEM adventure

  • Biological Diversity

    Journal Article |

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