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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  • In this FACTivity, you will adopt a tree in your schoolyard and keep a tree journal to record your observations.

    Alternate FACTivity – I’ve Got You Covered

  • The purpose of this FACTivity is to demonstrate how house plants use water and compare this process with an outdoor…

    Alternate FACTivity – Under Where?

  • 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, shallow rocky soils and a dry climate often make it hard for new trees to…

    Are We Having Fungi Yet? Helping Young Trees Grow

  • In the Western United States, shallow rocky soils and a dry climate often make it hard for new trees to…

    Are We Having Fungi Yet? Helping Young Trees Grow (Spanish)

  • Leaves change color in the fall. Cooler temperatures in the fall cause the chlorophyll in leaves to break down. When…

    Are You Red-dy to Change? Learning What Things Affect Leaf Color Change

  • Bristlecone pines have an interesting relationship with fire. When a fire occurs, it may open a once-closed area to sunlight.…

    Can We Grow Now? Helping Bristlecone Pine Trees To Take Root and Grow

  • As the climate changes, the tree species living in a forest may also change. This change means that some trees…

    Cedar Waxing or Waning? The Potential to Save Yellow-Cedar Trees Using Adaptive Management

  • 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 water, invasive species, and ecology.

    Crossword – Woolly Bully

  • When a wildfire burns across a forest, logs and stumps on the ground may completely burn up. When this happens…

    Don’t Judge a Soil by Its Color: Exploring Forest Soil Following a Wildfire

  • Try this eyeChallenge when you finish reading “On the Fence.” Each of the following images represents something from the article.…

    eyeChallenge – On the Fence