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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  • Cover the the Logjams and Beaver Dams monograph. The background image is a photo of a beaver dam, and the main image is a circular photo of a beaver in water.
    Carbon is naturally stored in the environment. In fact, carbon is in every living thing. Some habitats are better at…
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    Logjams and Beaver Dams – Vol. 1 No. 18

  • Front cover of National Inquirer Standing on the Shoulders of Giants
    Big-leaf mahogany is a tree species known for its beautiful wood. Over time, humans have cut down many big-leaf mahogany…
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    Standing On the Shoulders of Giants (Time Warp Monograph Series) Vol. 1 No. 13

  • Cover for the "World's Forests' 3rd edition journal. The image consists four magnifying glasses, each with a different photo.
    This is the 3rd edition of the World’s Forest Natural Inquirer based on the 2015 Global Forest Resources Assessment. Published…
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    The World’s Forests 3 – No. 20

  • Cover of the Spanish version NSI
    NSI: Nature Science Investigator (NSI) is a self-guided activity book for children ages 8-14. The booklet enables each student to…
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    NSI: Nature Science Investigator – Spanish

  • Front cover of National Inquirer with a stream and mountains, and a cutout photo of a salmon leaping
    Learn about soils and the amount of salmon-derived nutrients (SDN) in Southeast Alaska! Salmon-derived nutrients are nutrients in the soils…
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    Food for the Soil – Vol. 1 No. 6

  • Natural Inquirer cover for the Wildland Fire 2 issue. There are four squares, the top left is a row of tents, top right has a grasshopper, th bottom left a rattlesnake, and the bottom right a woodpecker. All are photographs.
    This journal focuses on wildland fire. Wildland fire is any fire occurring in vegetation areas, regardless of how it was…
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    Wildland Fire 2 – Vol. 13 No. 1

  • Front cover of Natural Inquirer Student Scientist edition with a photo of an owl's face and smaller pictures of fungi, an emerald ash borer, and a garlic mustard plant beneath
    The Natural Inquirer Student Scientist edition was developed as part of the Forest Service’s More Kids in the Woods Initiative.…
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    Student Scientist – Vol. 10 No. 1

  • The National Inquirer cover for the Bioenergy issue.
    What is bioenergy? “Bio-” is related to living or once living things. Bioenergy is a source of energy that uses…
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    Bioenergy – Vol. 9 No. 1

  • Front cover of Investi-gator (Northern Research Station) with autumn leaves wrapped around the Earth
    Investi-gator is a sister publication to Natural Inquirer serving students in grades 4 or higher. The Northern Research Station Investi-gator…
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    Investi-gator (Northern Research Station) – Vol. 1 No. 1

  • The cover for the Tropical Forest edition in Spanish
    Enjoy a journey to the tropics! In the Natural Inquirer Tropical Forest edition, readers will learn about the plants and…
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    Tropical Forest – Spanish

  • Natural Inquirer cover for the Olympic Winter Games issue.
    This edition is full of information on the natural environment that we call the Rocky Mountains. In this Natural Inquirer,…
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    Olympic Winter Games – Vol. 2 No. 2

  • Olympic Winter Games cover Spanish edition
    This edition is full of information on the natural environment that we call the Rocky Mountains. In this Natural Inquirer,…
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    Olympic Winter Games – Spanish