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 Investi-gator Article Amphibious Assault
    Climate change can change the breeding patterns of some animals. Breeding patterns refer to when and how animals reproduce, including…
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    Amphibious Assault: How Climate Change May Affect Amphibian Breeding

  • frogs leaping down a mountain
    Frogs are a species of amphibian. In recent years, there has been a decline in the numbers of amphibians worldwide.…
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    As the Frog Hops: What Routes Do Frogs Travel in Mountain Environments?

  • Caves LIVE a Distance Learning Adventure
    A world of wonder awaits just below the surface, and this distance learning adventure explores these amazing places. Specially adapted…
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    Caves LIVE

  • PDF Preview of Crossword Puzzle
    Test your knowledge on ecosystems, vegetation, and erosion.
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    Crossword – Ecosystem Services

  • Logo for Ecosystems LIVE: Nature Nearby
    During this program in the FSNatureLIVE series, we learned about how the environment and human actions impact animals as well…
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    Ecosystems LIVE: Nature Nearby

  • PDF preview of the eyeChallenge from Lights, Camera, Tracks!
    Test your understanding after reading “Lights, Camera, Tracks!” Each of the following images represents something from the article. Explain what…
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    eyeChallenge – Lights, Camera, Tracks!

  • PDF Preview of As the Frog Hops FACTivity
    In this study, the scientists discovered that wildernesses provide good habitat for frogs because the land and water are protected…
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    FACTivity – As the Frog Hops

  • PDF preview of The Relationship Between Nonnative Trout and Pacific Tree Frogs FACTivity
    In this FACTivity, you will explore whether it is in society’s interest to stock the Sierra Nevada lakes with fish…
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    FACTivity – Knocked Out By Trout

  • PDF preview of the Knocked Out by Trout FACTivty in Spanish
    In this FACTivity, you will explore whether it is in society’s interest to stock the Sierra Nevada lakes with fish…
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    FACTivity – Knocked Out By Trout (Spanish)

  • 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 World's Forests Edition 3, Inquiry 2 article.
    Learn about the many benefits that different types of forests provide, including protecting biodiversity, improving water and soil quality, preventing…
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    Inquiry 2: What Benefits Do the World’s Forests Provide?

  • Scientist standing inside cave
    From the formation of caves by the movement of groundwater to mapping them and exploring their unique ecosystems to the…
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    Learning Module – Caves & Karst