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 Freshwater crossword.
    Test your knowledge on contamination, floodplains, and watersheds.
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    Crossword – Freshwater

  • The cover of "Did They Make the Gradient?" featuring a black and white photo of a flume installed in a stream to measure streamflow.
    If the temperature of a stream rises too high, the animals that live in the stream may find it difficult…
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    Did They Make the Gradient? Climate and Stream Temperatures Now and Into the Future

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

  • PDF preview of Caribbean Cruise FACTivity.
    The question you will answer in this FACTivity is: What can you learn from data about gage height and streamflow…
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    FACTivity – Caribbean Cruise

  • PDF Preview of the Did They Make the Gradient FACTivity
    In this FACTivity, you will answer the following question: Does the movement of water affect its temperature?
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    FACTivity – Did They Make the Gradient?

  • PDF preview of Flow Down FACTivity.
    The question you will answer in this FACTivity is: How much precipitation falls over a month’s time at my school…
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    FACTivity – Flow Down

  • PDF preview of the Green Means Clean FACTivity.
    The questions you will answer in this FACTivity are: Which land cover surface best protects water quality and why? Materials:…
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    FACTivity – Green Means Clean

  • PDF Preview of Toad-ally Awesome FACTivity
    You learned in this article that flooding can provide a service to the toads living along the Rio Grande in…
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    FACTivity – Toad-ally Awesome

  • PDF Preview of the Woolly Bully FACTivity.
    In this FACTivity, you will answer the question: How much water is transpired by a tree during daylight hours?
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    FACTivity – Woolly Bully

  • PDF preview of Flow Down article cover. The background is a photo of a green mountain range.
    The scientists in this study wanted to figure out how forest management, climate change, and streamflow interact. First, the scientists…
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    Flow Down! Can Managing Forests Help Maintain Water Supplies in the Face of Climate Change?

  • Screenshot of FreshWaterLIVE: Scientists in Action video.
    Watch a 43-minute video taped live at Grand Lake, Colorado, featuring questions from students and answers by Carl Chambers, a…
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    Fresh Water LIVE from Colorado

  • Screenshot of FreshWater Live.
    Follow water on a journey through a watershed, from forest to faucet, in the Eastern United States. This is a…
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    Fresh Water LIVE from Eastern U.S.