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!

  • Grade Level

  • Type

  • Topic

  • Duration

  • Reset
  • Many changes have occured in the Rio Grande since the 1940s that have created a river that is deeper and…

    By the Light of the Silvery Minnow: Can Young Minnows Be Taught About Their Natural Foods?

  • After reading the Citizen Science edition of Natural Inquirer, test your knowledge with a crossword puzzle.

    Crossword – Citizen Science

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

    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…

    FACTivity – Born to Be Wild (Spanish)

  • The question you will answer in this FACTivity is: How might climate change affect species in my state? Materials: Access…

    FACTivity – Wild Ways

  • At the end of the “Standing on the Shoulders of Giants” article, there is a glossary of terms that were…

    Glossary Challenge – Standing on the Shoulders of Giants

  • Koa is one of the most valued of tropical woods. A particular type of koa tree, called Acacia koa, is…

    Koa Constrictors: Studying Things That Slow the Growth of Koa Crop Trees

  • The Ka‘ūpūlehu dry forest is located on the leeward size of the island of Hawai‘i. The forest land is owned…

    Left High and Dry? Attempting to Restore a Tropical Dry Forest in Hawaii

  • When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started…

    Liar, Liar, House on Fire! The Relationship Between Trees, Wildland Fire, and Damage to Homes

  • When lightning or other forms of ignition start a fire in a forest, there is a chance of a wildfire. Wildfires may be started…

    Liar, Liar, House on Fire! The Relationship Between Trees, Wildland Fire, and Damage to Homes (Spanish)

  • Over the past decade, humans have introduced two species of Indo-Pacific lionfish (Pterois volitans and Pterois miles) into the Atlantic…

    Lion In Wait: How Citizens Helped Scientists Identify a Rapid Invasion of Lionfish

  • Mussels are very sensitive to changes in the environment which makes them good indicators of the health of an aquatic…

    Mussel Mania: How Streamflow Affects Freshwater Mussels Over Long Time Periods