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 crossword puzzle from the Southwestern US Investi-gator
    After reading the Southwestern United States Investi-gator, test your knowledge with a crossword puzzle.
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    Crossword – Southwestern United States Investi-gator

  • PDF preview of crossword puzzle.
    Test your knowledge on agriculture, habitats, and drought.
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    Crossword Puzzle – Natural IQ Climate Change

  • 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

  • FACTivity Born To Be Wild
    The question students will answer in the FACTivity is: What are the advantages and disadvantages of different ways to protect…
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    FACTivity – Born to Be Wild

  • PDF Preview of the FACTivity from Born To Be Wild Spanish version
    The question students will answer in the FACTivity is: What are the advantages and disadvantages of different ways to protect…
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    FACTivity – Born to Be Wild (Spanish)

  • PDF Preview of the Moving On Up FACTivity
    The question you will answer in this FACTivity is: What is the geographic distribution of a particular tree species?
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    FACTivity – Moving on Up

  • PDF Preview of FACTivity for "Oxbow Soil Vitality: Is it Healthy?"
    In this FACTivity, you will do something similar to the student scientists in this study. The question you will answer…
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    FACTivity – Oxbow Soil Vitality

  • PDF Preview of the There's Snow Place Like Home FACTivity
    The question students will answer in this FACTivity is: What is the range of an animal?
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    FACTivity – There’s Snow Place Like Home

  • PDF preview of the Timed Travel FACTivity.
    The question you will answer in this FACTivity is: How do air temperature patterns relate to a yearly natural event,…
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    FACTivity – Timed Travel

  • PDF Preview of Worming Their Way FACTivity
    The questions you will answer with this FACTivity are: Are earthworms a part of your schoolyard habitat? and How much…
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    FACTivity – Worming Their Way In

  • illustration of children weighing a house on one side of a scale and a bird on the other side
    The California gnatcatcher is a little bird with a big problem. Its habitat has been reduced 80 percent by people…
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    Fighting Fire with Fire: Protecting the Homes of People and Birds

  • illustration of children weighing a house on one side of a scale and a bird on the other side
    The California gnatcatcher is a little bird with a big problem. Its habitat has been reduced 80 percent by people…
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    Fighting Fire with Fire: Protecting the Homes of People and Birds (Spanish)