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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  • Is the climate changing over time? You may have heard different opinions about climate change. In the past few years,…

    Climate Change – Vol. 14 No. 1

  • Test your knowledge on contamination, floodplains, and watersheds.

    Crossword – Freshwater

  • If the temperature of a stream rises too high, the animals that live in the stream may find it difficult…

    Did They Make the Gradient? Climate and Stream Temperatures Now and Into the Future

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

    eyeChallenge – Freshwater

  • The question you will answer in this FACTivity is: What can you learn from data about gage height and streamflow…

    FACTivity – Caribbean Cruise

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

    FACTivity – Did They Make the Gradient?

  • The question you will answer in this FACTivity is: How much precipitation falls over a month’s time at my school…

    FACTivity – Flow Down

  • The questions you will answer in this FACTivity are: Which land cover surface best protects water quality and why? Materials:…

    FACTivity – Green Means Clean

  • You learned in this article that flooding can provide a service to the toads living along the Rio Grande in…

    FACTivity – Toad-ally Awesome

  • In this FACTivity, you will answer the question: How much water is transpired by a tree during daylight hours?

    FACTivity – Woolly Bully

  • The scientists in this study wanted to figure out how forest management, climate change, and streamflow interact. First, the scientists…

    Flow Down! Can Managing Forests Help Maintain Water Supplies in the Face of Climate Change?

  • Watch a 43-minute video taped live at Grand Lake, Colorado, featuring questions from students and answers by Carl Chambers, a…

    Fresh Water LIVE from Colorado