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 Investi-gator Article Amphibious Assault
    Climate change can change the breeding patterns of some animals. Breeding patterns refer to when and how animals reproduce, including…
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    Amphibious Assault: How Climate Change May Affect Amphibian Breeding

  • PDF Preview of Investi-gator (Northern Research Station) article "Are You Red-Dy for Change?"
    Leaves change color in the fall. Cooler temperatures in the fall cause the chlorophyll in leaves to break down. When…
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    Are You Red-dy to Change? Learning What Things Affect Leaf Color Change

  • 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

  • The cover of "Back to the Future" featuring a black and white photo of a tree stump left from a volcanic explosion in the Inyo Craters in California.
    The tree line is the edge of a habitat at which trees are capable of growing. In this study, the…
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    Back to the Future: Using Dead Trees to Predict Future Climates

  • illustration of a landscaper in a crane, sawing a tree
    Too much carbon dioxide (CO2) in the atmosphere is mostly caused by two things: burning fossil fuels and the loss…
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    Balancing Act: Urban Trees and the Carbon Cycle

  • Balancing Act cover in Spanish
    Too much carbon dioxide (CO2) in the atmosphere is mostly caused by two things: burning fossil fuels and the loss…
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    Balancing Act: Urban Trees and the Carbon Cycle (Spanish)

  • Article cover for Batter Up! Features an image of children playing baseball and a mechanical engineer holding up two bats and 3 baseballs.
    In “Batter Up,” learn about how engineers designed a test to determine baseball bat breakage rates for different types of…
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    Batter Up: Investigating What Type of Wood Makes the Best Baseball Bat

  • Cover of the Beam Me Down, Scotty article featuring an illustration of a satellite orbiting Earth
    In this study, the scientists wanted to test a method of calculating the amount of carbon stored by plants across…
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    Beam Me Down, Scotty: The Use of Airborne and Satellite Technology to Measure Carbon in Hawaiian Forests

  • A black and white illustration of a group of beetle larvae sleeping inside a tree trunk.
    Mountain pine beetles are important to the Western United States. They have a very special life cycle that includes staying…
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    Beetles Are Supercool! Understanding the Life Cycle of Mountain Pine Beetles

  • PDF preview of the Spanish version of "Beetles Are Supercool"
    Mountain pine beetles are important to the Western United States. They have a very special life cycle that includes staying…
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    Beetles Are Supercool! Understanding the Life Cycle of Mountain Pine Beetles (Spanish)

  • Caribbean Cruise cover for the article. The main image is of a stream bed.
    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