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!

  • Grade Level

  • Type

  • Topic

  • Duration

  • Reset
  • All the world’s ice can be divided into two types: sea ice (icebergs) and sheet ice (ice on land). Although…

    FACTivity – Mangrove Mania

  • For this FACTivity, you will answer the question: What is the difference between having a 50 percent chance of having…

    FACTivity – Swimming Upstream Without a Ladder

  • For this FACTivity, you will answer the question: What is the difference between having a 50 percent chance of having…

    FACTivity – Swimming Upstream Without a Ladder (Spanish)

  • This Natural Inquirer edition discusses the condition of United States’ natural resources in the year 2000, as well as how…

    Facts to the Future – Spanish

  • This Natural Inquirer edition discusses the condition of United States’ natural resources in the year 2000, as well as how…

    Facts to the Future – Vol. 5 No. 1

  • Follow water on a journey through a watershed, from forest to faucet, in the Eastern United States. This is a…

    Fresh Water LIVE from Eastern U.S.

  • In the Natural Inquirer Freshwater edition, you will learn many new things about Earth’s freshwater. As you read each article,…

    Freshwater – Vol. 18 No. 1

  • Scientists can use models to simulate and predict the effects of an action. In this research in the Great Lakes…

    Full Throttle Model (Time Warp Monograph Series) – Vol. 1 No. 16

  • Read about efforts to model changes to land use within watersheds to help identify and prioritize watersheds with low water…

    Full Throttle Model: Using Scientific Models to Quickly Assess Water Quality

  • 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

  • The scientists were interested in discovering whether the Pacific tree frog population might also be affected by the presence of nonnative trout, similar…

    Knocked Out By Trout: The Relationship Between Nonnative Trout and Pacific Tree Frogs

  • In this module, we will explore many different invasive species and the effects they are having on different environments. Below…

    Learning Module – Invasive Species