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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  • A black and white drawing of three piles of leaves; each holding a sign. One says "Grade A", one says "Choice", and one says "Economy".
    In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
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    Leaf Me Alone! The Movement of Nutrients Between Trees and the Soil

  • Graphic from Leaf Me ALone! article featuring worms holding up picket signs
    In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
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    Leaf Me Alone! The Movement of Nutrients Between Trees and the Soil (Spanish)

  • Five species of Moon Trees as seedlings with ruler in between them
    In this module, we will explore trees and what they need, and we will learn how tree seeds have gone…
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    Learning Module – Countdown to Moon Trees

  • PDF Preview of the Lesson Plan for Cream of the Crop
    This lesson plan will have students read “Cream of the Crop” and answer the questions associated with it. After, they…
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    Lesson Plan – Cream of the Crop

  • PDF preview of the lesson plan for inquiry 2
    A guided reading lesson plans that walks students through each section of this article. It includes a graphic organizer for…
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    Lesson Plan – Inquiry 2 from World’s Forests 3 Edition

  • PDF preview of World's Forests 3 lesson plan.
    A guided reading lesson plan that walks students through each section of the journal. It includes graphic organizers and activities…
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    Lesson Plan – World’s Forests 3

  • PDF preview of "Logjams and Beaver Dams" article.
    Scientists know little about the movement of litter and dead wood from forests to rivers in mountainous temperate ecosystems. Studying…
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    Logjams and Beaver Dams: How Different Landforms Affect the Amount of Carbon in an Ecosystem

  • Cover of the Mussel Mania article. The main image is a photo of a hand holding a mollusk shell on top of an area full of pebbles and other shells.
    Mussels are very sensitive to changes in the environment which makes them good indicators of the health of an aquatic…
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    Mussel Mania: How Streamflow Affects Freshwater Mussels Over Long Time Periods

  • PDF preview of the NSI pages featuring Ge Sun
    Meet Dr. Ge Sun – a hydrologist who asks questions about the impact of plants on the water cycle and…
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    NSI: Hydrologist Page

  • PDF preview of NSI
    NSI: Nature Science Investigator (NSI) is a self-guided outdoor activity book for children ages 8-14. The booklet enables each student…
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    NSI: Nature Science Investigator

  • PDF preview of the article in NSI: Nature Science Investigator Spanish version
    NSI: Nature Science Investigator (NSI) is a self-guided outdoor activity book for children ages 8-14. The booklet enables each student…
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    NSI: Nature Science Investigator – Spanish

  • PDF preview of NSI pages featuring Courtney Meier
    Meet Dr. Courtney Meier – a plant ecologist at the National Ecological Observatory Network. He investigates links between plants, soil…
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    NSI: Plant Ecologist Page