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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  • Cover of the Koa Constrictors article. It's a photo of the top of the tree.
    Koa is one of the most valued of tropical woods. A particular type of koa tree, called Acacia koa, is…
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    Koa Constrictors: Studying Things That Slow the Growth of Koa Crop Trees

  • 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)

  • Cover for the Left High and Dry article. It is an illustration of beautiful native Hawaiian flora with a photo of what the forest looks like now.
    The Ka‘ūpūlehu dry forest is located on the leeward size of the island of Hawai‘i. The forest land is owned…
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    Left High and Dry? Attempting to Restore a Tropical Dry Forest in Hawaii

  • PDF Preview of Broadcast/Podcast Lesson Plan
    In this lesson plan, pairs of students will create a 60- to 90-minute radio broadcast/podcast based on the article. Creating…
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    Lesson Plan – Make Your Own Broadcast/Podcast

  • PDF Preview of THIEVES Chart Lesson Plan
    Give each student or group a copy of the THIEVES chart reproduced at the end of the lesson plan PDF.…
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    Lesson Plan – THIEVES Chart Guided Reading

  • Black and white illustration of a giant watering a forest with a watering can.
    Until the early 1950s, people mined copper, gold, and silver in the Beartooth Mountains in Montana. During mining operations, the…
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    Let Nature Take Its Course: Helping the Environment Take Care of Itself

  • PDF preview of the Spanish version of "Let Nature Take Its Course"
    Until the early 1950s, people mined copper, gold, and silver in the Beartooth Mountains in Montana. During mining operations, the…
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    Let Nature Take Its Course: Helping the Environment Take Care of Itself (Spanish)

  • Article caver for Let's Clear the Air. It is a drawing of fireman working in a forest after a fire.
    Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of…
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    Let’s Clear the Air: The Danger of Forest Fire Smoke to Firefighters

  • Article caver for Let's Clear the Air. It is a drawing of fireman working in a forest after a fire.
    Smoke from wildland fires contains hundreds of chemicals. These chemicals can be gases, liquids, or solid forms. The effects of…
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    Let’s Clear the Air: The Danger of Forest Fire Smoke to Firefighters (Spanish)

  • Illustration of a wooden house and smoky sky
    When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started…
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    Liar, Liar, House on Fire! The Relationship Between Trees, Wildland Fire, and Damage to Homes

  • Illustration of a wooden house and smoky sky
    When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started…
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    Liar, Liar, House on Fire! The Relationship Between Trees, Wildland Fire, and Damage to Homes (Spanish)