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  • Water: The Sum of Its Parts

    Book Chapter |

    Water has many peculiar properties: high specific heat capacity, strong ability to act as a solvent, and the ability of the solid phase of water (ice) to float on its liquid phase. Many of the peculiar properties of…

  • How Water Holds Heat

    Book Chapter |

    Earth’s surface is mostly covered by water. Areas not covered by water—the continents—are surrounded by water. If land and water had the same specific heat, we would expect the land and surrounding water to heat up and…

  • Recycled Water: The Hydrologic Cycle

    Book Chapter |

    If we cannot see the water vapor, how do we know water vapor exists? In this Activity, you will examine the evidence regarding the presence of water vapor in the air and explore how water vapor plays a key role in the…

  • Weather’s Central Actor: Water

    Book Chapter |

    Water plays an important role in weather, not only as a liquid in rivers, lakes, oceans, and clouds, but also as a vapor in the atmosphere and as a solid in snow, glaciers, ice, and clouds. The total quantity of water…

  • Creative Writing and the Water Cycle

    Book Chapter |

    Creative writing provides one strategy for helping students combine their powers of imagination with their arsenal of knowledge. Teachers also can use creative writing exercises to assess student understanding of…

  • Water Bugs: Insects as Indicators

    Book Chapter |

    Students, in this activity, will be able to determine the health of a body of water through investigation and inquiry. Students will be able to describe insects found in water using a hand lens and a microscope.

  • Dissolved Oxygen and Water Quality

    Book Chapter |

    In this lesson, students will explore the relationship between water temperature and dissolved oxygen. Disciplinary core ideas covered are natural resources and Earth’s systems. Tips for scaling down, scaling up, and…

  • Solutes and the Freezing Point of Water

    Book Chapter |

    The purpose of this lab is to introduce students to colligative properties, which are the physical changes that result from adding solute to a solvent. During this investigation, students explore ”How Does the Addition…

  • Where is Most of the Fresh Water?

    Book Chapter |

    The purpose of this assessment probe is to elicit students’ ideas about the distribution of fresh water. The probe is designed to find out if students recognize that most of Earth’s fresh water is found in frozen form…

  • In Which Direction Will the Water Swirl?

    Book Chapter |

    The purpose of this assessment probe is to elicit students’ ideas about the Coriolis effect, which describes how rotating objects are deflected and helps explain the movement of large fluid masses. The probe is designed…

  • Water and Sanitation

    Journal Article |

  • Q: What’s Cool About Water?

    Journal Article |

  • Poetry About Water in Our World

    Journal Article |

  • Connecting the Science of Water to Students’ Communities

    Journal Article |

  • Wipe Out: Preventing Water Hazards

    Journal Article |

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