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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  • PDF preview of the eyeChallenge from Lights, Camera, Tracks!
    Test your understanding after reading “Lights, Camera, Tracks!” Each of the following images represents something from the article. Explain what…
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    eyeChallenge – Lights, Camera, Tracks!

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

  • PDF preview of the FACTivity for "Should Ditches Be Graded?"
    In this FACTivity, you will build an insloping road to test your own model of erosion. Materials: Two large cardboard…
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    FACTivity – Should Ditches Be Graded?

  • PDF preview of the Spanish version of the FACTivity for "Should Ditches Be Graded?"
    In this FACTivity, you will build an insloping road to test your own model of erosion. Materials: Two large cardboard…
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    FACTivity – Should Ditches Be Graded? (Spanish)

  • Black and white illustration of a desktop computer on a canoe and holding an umbrella against the rain. There's a road sign in the background with an "S" giving the impression that the river the computer is on has many twists and bends. The computer has a cartoon face with a shocked expression.
    Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients…
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    Should Ditches be Graded? Testing Unpaved Roads with a Computer Program

  • PDF preview of the Spanish version of "Should Ditches Be Graded?"
    Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients…
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    Should Ditches be Graded? Testing Unpaved Roads with a Computer Program (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