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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  • The cover of "Back to the Future" featuring a black and white photo of a tree stump left from a volcanic explosion in the Inyo Craters in California.
    The tree line is the edge of a habitat at which trees are capable of growing. In this study, the…
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    Back to the Future: Using Dead Trees to Predict Future Climates

  • illustration of a landscaper in a crane, sawing a tree
    Too much carbon dioxide (CO2) in the atmosphere is mostly caused by two things: burning fossil fuels and the loss…
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    Balancing Act: Urban Trees and the Carbon Cycle

  • Balancing Act cover in Spanish
    Too much carbon dioxide (CO2) in the atmosphere is mostly caused by two things: burning fossil fuels and the loss…
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    Balancing Act: Urban Trees and the Carbon Cycle (Spanish)

  • The first page of "Bat-tastic: Exploring Bats and Habitats"
    Learn all about bats and the wildlife biologists who study them in this career activity sheet. Designed to be printed…
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    Bat-tastic: Exploring Bats and Habitats

  • Article cover for Batter Up! Features an image of children playing baseball and a mechanical engineer holding up two bats and 3 baseballs.
    In “Batter Up,” learn about how engineers designed a test to determine baseball bat breakage rates for different types of…
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    Batter Up: Investigating What Type of Wood Makes the Best Baseball Bat

  • A black and white illustration of a group of beetle larvae sleeping inside a tree trunk.
    Mountain pine beetles are important to the Western United States. They have a very special life cycle that includes staying…
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    Beetles Are Supercool! Understanding the Life Cycle of Mountain Pine Beetles

  • PDF preview of the Spanish version of "Beetles Are Supercool"
    Mountain pine beetles are important to the Western United States. They have a very special life cycle that includes staying…
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    Beetles Are Supercool! Understanding the Life Cycle of Mountain Pine Beetles (Spanish)

  • A black and white illustration of a group of fish reading a sign at the bottom of a lake that reads "This Space Available".
    Cutthroat trout are a type of salmon. The scientists in this study wanted to find out if cutthroat trout behave…
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    Big Fish in a Small Pool: Habitat Preferences of Cutthroat Trout

  • PDF preview of Spanish version of "Big Fish in a Small Pool"
    Cutthroat trout are a type of salmon. The scientists in this study wanted to find out if cutthroat trout behave…
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    Big Fish in a Small Pool: Habitat Preferences of Cutthroat Trout (Spanish)

  • illustration of children looking at a bird
    Animals play an important role in maintaining the health of our natural environment. It is important to know the status…
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    Born To Be Wild: The Current Situation and Possible Future of Wildlife in the United States

  • illustration of children looking at a bird
    Animals play an important role in maintaining the health of our natural environment. It is important to know the status…
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    Born To Be Wild: The Current Situation and Possible Future of Wildlife in the United States (Spanish)

  • PDF preview of the By the Light of the Silvery Minnow article.
    Many changes have occured in the Rio Grande since the 1940s that have created a river that is deeper and…
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    By the Light of the Silvery Minnow: Can Young Minnows Be Taught About Their Natural Foods?