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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  • 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?

  • The purpose of this FACTivity is to demonstrate how house plants use water and compare this process with an outdoor…
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    Alternate FACTivity – Under Where?

  • The scientists in this study developed a process to help managers identify management priorities. As conditions change over time, the…
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    At Your Service: Developing Models to Help Natural Resource Managers Make Better Decisions

  • Many changes have occured in the Rio Grande since the 1940s that have created a river that is deeper and…
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    By the Light of the Silvery Minnow: Can Young Minnows Be Taught About Their Natural Foods?

  • Particulate organic matter (POM), which consists of small pieces of twigs, leaves, soil, and other items found in the water,…
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    Caribbean Cruise: Examining the Movement and Quality of Organic Matter Over Time From Two Caribbean Watersheds

  • Test your knowledge on alluvial soil, watersheds, and fish.
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    Crossword – Food for the Soil

  • Test your knowledge on contamination, floodplains, and watersheds.
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    Crossword – Freshwater

  • 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

  • In this study, the scientist was asked to predict how much fresh water people living in the United States will…
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    Do What You Water: The Current Situation and Possible Future of Fresh Water in the United States

  • In this study, the scientist was asked to predict how much fresh water people living in the United States will…
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    Do What You Water: The Current Situation and Possible Future of Fresh Water in the United States (Spanish)

  • Slab avalanches are the most dangerous kind of avalanche. A slab is a layer of new snow sitting on top…
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    Excuse Me While I Flow My Snows: What Makes An Avalanche Happen?

  • Slab avalanches are the most dangerous kind of avalanche. A slab is a layer of new snow sitting on top…
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    Excuse Me While I Flow My Snows: What Makes An Avalanche Happen? (Spanish)