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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  • 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

  • Ecosystem services are the benefits that nature provides through natural processes. For example, plants provide clean air, natural fire helps…

    Ecosystem Services – Vol. 12 No. 1

  • After reading the Caves and Karst Edition of Natural Inquirer, test your knowledge with an eyeChallenge. Examine each image taken…

    eyeChallenge – Caves and Karst

  • After reading the Freshwater edition of Natural Inquirer, test your knowledge of the issue with this eyeChallenge. Explain what each…

    eyeChallenge – Freshwater

  • After reading “Logjams and Beaver Dams,” see how much you learned by trying out the eyeChallenge. Each image is taken…

    eyeChallenge – Logjams and Beaver Dams

  • In this study, the scientists discovered that wildernesses provide good habitat for frogs because the land and water are protected…

    FACTivity – As the Frog Hops

  • The question you will answer in this FACTivity is: How are diatoms important parts of an ecosystem? In this FACTivity…

    FACTivity – By the Light of the Silvery Minnow

  • In this FACTivity, you and your classmates will work together to analyze the research study and provide a brief presentation…

    FACTivity – Common Core Guided Reading

  • In this FACTivity, you will answer the following question: Does the movement of water affect its temperature?

    FACTivity – Did They Make the Gradient?

  • In this FACTivity, you will create a model of what happens to things in a river when a flood occurs.…

    FACTivity – Food for the Soil

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

    FACTivity – Full Throttle Model

  • In this FACTivity, you will build a physical representation, or a model, of a beaver dam. Some of the questions…

    FACTivity – Logjams and Beaver Dams