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 'Tale of Two Caves' article. The main image is a photo of a person standing in a small passageway of a cave.
    Caves are important natural features in Sequoia and Kings Canyon National Parks in California. Past studies of some of these…
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    A Tale of Two Caves: How Is Hurricane Crawl Cave Different From Crystal Cave?

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

  • The cover of "Did They Make the Gradient?" featuring a black and white photo of a flume installed in a stream to measure streamflow.
    If the temperature of a stream rises too high, the animals that live in the stream may find it difficult…
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    Did They Make the Gradient? Climate and Stream Temperatures Now and Into the Future

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

  • PDF Preview of Word Search
    Test your knowledge on archeology, biomass, and dendrochronology.
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    Word Search – Climate Change