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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  • Investi-gator is a sister publication to Natural Inquirer, serving students in grades 4 or higher. In this Investi-gator edition, you…

    Animals and Ecosystems of the Southwestern United States Investi-gator (Rocky Mountain Research Station) – Vol. 3 No. 1

  • In the Western United States, many of the forests have too many small trees. These small trees increase the risk…

    Chip and Truck: Comparing the Cost of Using Trees to Heat Buildings

  • Although scientists know that many weeks of low rainfall increase the chances of wildfires, they do not know which daily…
  • Although scientists know that many weeks of low rainfall increase the chances of wildfires, they do not know which daily…
  • The California gnatcatcher is a little bird with a big problem. Its habitat has been reduced 80 percent by people…

    Fighting Fire with Fire: Protecting the Homes of People and Birds

  • The California gnatcatcher is a little bird with a big problem. Its habitat has been reduced 80 percent by people…

    Fighting Fire with Fire: Protecting the Homes of People and Birds (Spanish)

  • Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, readers meet Dr.…

    Meet Dr. Goodrick!

  • Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, readers meet Dr.…

    Meet Dr. Goodrick! – Spanish

  • Prairies are grasslands that are often used as forage for cattle. When a wildfire burns across a prairie, the grass…

    Time Will Tell: Does Wildfire Damage the Prairie?

  • Prairies are grasslands that are often used as forage for cattle. When a wildfire burns across a prairie, the grass…

    Time Will Tell: Does Wildfire Damage the Prairie? (Spanish)

  • The northern spotted owl is an endangered species that needs old-growth forests in the Pacific Northwest to live. Unfortunately, old-growth…

    Who Gives a Hoot? Determining the Value of Owl Habitat

  • The northern spotted owl is an endangered species that needs old-growth forests in the Pacific Northwest to live. Unfortunately, old-growth…

    Who Gives a Hoot? Determining the Value of Owl Habitat (Spanish)