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

  • 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

  • In this FACTivity, you will answer the question: What are some ways that albizia leaves may be changing the Hawaiian…

    FACTivity – Don’t Litter the Stream!

  • The question you will answer in this FACTivity is, “How might fish and other aquatic life be affected by turbidity?”…

    FACTivity – Full Throttle Model

  • When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When…

    FACTivity – Go With the Flow!

  • When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When…

    FACTivity – Go With the Flow! (Spanish)

  • In this FACTivity, you will be the scientist and analyze real-time streamflow data from the three rivers that the scientists…

    FACTivity – Mussel Mania

  • Pick four words from the glossary for “Logjams and Beaver Dams” to illustrate in the graphic organizer provided. Pretend that…

    Illustrated Glossary Challenge – Logjams and Beaver Dams

  • Carbon is naturally stored in the environment. In fact, carbon is in every living thing. Some habitats are better at…

    Logjams and Beaver Dams – Vol. 1 No. 18

  • Scientists know little about the movement of litter and dead wood from forests to rivers in mountainous temperate ecosystems. Studying…

    Logjams and Beaver Dams: How Different Landforms Affect the Amount of Carbon in an Ecosystem

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

    Meet Dr. Flitcroft – Spanish

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

    Meet Dr. Flitcroft – Vol. 1 No. 7