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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  • Test your knowledge on alluvial soil, watersheds, and fish.

    Crossword – Food for the Soil

  • Test your knowledge on contamination, floodplains, and watersheds.

    Crossword – Freshwater

  • The question you will answer in this FACTivity is: What is the relationship between the level of chemicals in a…

    FACTivity – Sediment-al Journey

  • The question you will answer in this FACTivity is: How do air temperature patterns relate to a yearly natural event,…

    FACTivity – Timed Travel

  • The scientists in this study wanted to figure out how forest management, climate change, and streamflow interact. First, the scientists…

    Flow Down! Can Managing Forests Help Maintain Water Supplies in the Face of Climate Change?

  • In this article, learn about soils and the amount of salmon-derived nutrients (SDN) in Southeast Alaska! Salmon-derived nutrients are nutrients…

    Food for the Soil: Soil and the Amount of Salmon-Derived Nutrients in Southeast Alaska

  • Until the early 1950s, people mined copper, gold, and silver in the Beartooth Mountains in Montana. During mining operations, the…

    Let Nature Take Its Course: Helping the Environment Take Care of Itself

  • Until the early 1950s, people mined copper, gold, and silver in the Beartooth Mountains in Montana. During mining operations, the…

    Let Nature Take Its Course: Helping the Environment Take Care of Itself (Spanish)

  • 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

  • In 1956, the United States established a national park on one of the Virgin Islands. The United Nations named the national park a Biosphere…

    Oooh! That’s Growth! Measuring Trees in Cinnamon Bay Watershed

  • In 1956, the United States established a national park on one of the Virgin Islands. The United Nations named the national park a Biosphere…

    Oooh! That’s Growth! Measuring Trees in Cinnamon Bay Watershed (Spanish)

  • Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients…

    Should Ditches be Graded? Testing Unpaved Roads with a Computer Program