Resource Library

Welcome to our website’s resource library, where we offer an extensive collection of free science materials tailored for K-12 students. Dive into a wealth of educational resources including articles, activities, lesson plans, learning modules, and much more. All materials are free to download!

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  • The cover for the Natural Inquirer Caves and Karst journal. The main image is a photo of a cave with an opening high above the land below with a view of a green valley.
    The Caves and Karst edition of Natural Inquirer examines research on a variety of topics including white-nose syndrome in bats,…

    Caves and Karst Natural Inquirer – Vol. 20 No. 1

  • PDF preview of Freshwater crossword.
    Test your knowledge on contamination, floodplains, and watersheds.

    Crossword – Freshwater

  • PDF preview of Freshwater eyeChallenge.
    After reading the Freshwater edition of Natural Inquirer, test your knowledge of the issue with this eyeChallenge. Explain what each…

    eyeChallenge – Freshwater

  • PDF Preview of FACTivity for Full Throttle Model
    The question you will answer in this FACTivity is, “How might fish and other aquatic life be affected by turbidity?”…

    FACTivity – Full Throttle Model

  • PDF preview of the FACTivity for
    When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When…

    FACTivity – Go With the Flow!

  • PDF preview of the Spanish version of the
    When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When…

    FACTivity – Go With the Flow! (Spanish)

  • PDF preview of the the Sediment-al Journey FACTivity.
    The question you will answer in this FACTivity is: What is the relationship between the level of chemicals in a…

    FACTivity – Sediment-al Journey

  • Cover of the Freshwater NI journal. The main image is a photo of a freshwater lake.
    In the Natural Inquirer Freshwater edition, you will learn many new things about Earth’s freshwater. As you read each article,…

    Freshwater – Vol. 18 No. 1

  • illustration of four kids sheltered under a tree from the rain
    In the past, scientists had estimated how much rainfall is intercepted by trees growing in rural areas. The scientists in this study…

    Good to the Last Drip: How Trees Help to Reduce Pollution

  • The cover for the Green Means Clean article. The main image is a photo of a lake with trees on the coast.
    With two-thirds of the U.S. population drinking water from surface sources such as streams, rivers, lakes, and reservoirs, it is…

    Green Means Clean! Assessing the Condition of U.S. Drinking Water Watersheds

  • Cover of the Mussel Mania article. The main image is a photo of a hand holding a mollusk shell on top of an area full of pebbles and other shells.
    Mussels are very sensitive to changes in the environment which makes them good indicators of the health of an aquatic…

    Mussel Mania: How Streamflow Affects Freshwater Mussels Over Long Time Periods

  • The cover of the Sediment-al Journey article. The main image is a photo of people enjoying water sports in Baltimore Harbor.
    Chemicals from auto emissions, industrial processes, and urban development are found in most urban areas. Two of the chemicals found…

    Sediment-al Journey: Measuring Metal Concentrations in Soil Beside Urban Waterways