Resource Library

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

  • Frogs are a species of amphibian. In recent years, there has been a decline in the numbers of amphibians worldwide.…

    As the Frog Hops: What Routes Do Frogs Travel in Mountain Environments?

  • Cutthroat trout are a type of salmon. The scientists in this study wanted to find out if cutthroat trout behave…

    Big Fish in a Small Pool: Habitat Preferences of Cutthroat Trout

  • Cutthroat trout are a type of salmon. The scientists in this study wanted to find out if cutthroat trout behave…

    Big Fish in a Small Pool: Habitat Preferences of Cutthroat Trout (Spanish)

  • Help Busy Bee complete each statement by filling in the blanks for missing words. Use what you’ve learned about watersheds,…

    Busy Bee Word Challenge – Full Throttle Model

  • Many changes have occured in the Rio Grande since the 1940s that have created a river that is deeper and…

    By the Light of the Silvery Minnow: Can Young Minnows Be Taught About Their Natural Foods?

  • People across the world are helping scientists collect data to answer important research questions. Learn how citizens are getting involved…

    Citizen Science – Vol. 19 No. 1

  • Is the climate changing over time? You may have heard different opinions about climate change. In the past few years,…

    Climate Change – Vol. 14 No. 1

  • Investi-gator is a sister publication to Natural Inquirer serving students in grades 4 or higher. This Investi-gator edition focuses on…

    Climate Change Investi-gator (Pacific Northwest Research Station) – Vol. 1 No. 2

  • Test your knowledge on alluvial soil, watersheds, and fish.

    Crossword – Food for the Soil

  • If the temperature of a stream rises too high, the animals that live in the stream may find it difficult…

    Did They Make the Gradient? Climate and Stream Temperatures Now and Into the Future

  • From 1920 to 1950, a tree species called albizia (Falcataria moluccana) was brought to Hawai‘i from islands located north and…

    Don’t Litter the Stream: An Invasive Tree Species and a Hawaiian Stream Food Web