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  • Caves are important natural features in Sequoia and Kings Canyon National Parks in California. Past studies of some of these…
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    A Tale of Two Caves: How Is Hurricane Crawl Cave Different From Crystal Cave?

  • After reading the Caves and Karst edition of Natural Inquirer, test your knowledge with a crossword puzzle.
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    Crossword – Caves and Karst

  • In this FACTivity, you will grow your own speleothem. At the end of this FACTivity, you answer the following question:…
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    FACTivity – A Tale of Two Caves

  • The question you will answer in this FACTivity is: How do air temperature patterns relate to a yearly natural event,…
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    FACTivity – Timed Travel

  • Pick four words from the glossary for “Logjams and Beaver Dams” to illustrate in the graphic organizer provided. Pretend that…
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    Illustrated Glossary Challenge – Logjams and Beaver Dams

  • Learn about the many benefits that different types of forests provide.
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    Inquiry 2: What Benefits Do the World’s Forests Provide?

  • 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

  • Mangrove forests include trees and shrubs found in the tropics that have large root structures and create barriers that help…
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    Mangrove Mania: How Elevation Change and Sea-Level Rise Affect Mangrove Forests

  • 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

  • Chemicals from auto emissions, industrial processes, and urban development are found in most urban areas. Two of the chemicals found…
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    Sediment-al Journey: Measuring Metal Concentrations in Soil Beside Urban Waterways

  • The scientists in this study were asked to identify which areas of forest and rangeland in the United States might become more stressed in…
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    Stress Test: The Condition and Possible Future of Forests and Rangelands in the United States

  • The scientists in this study were asked to identify which areas of forest and rangeland in the United States might become more stressed in…
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    Stress Test: The Condition and Possible Future of Forests and Rangelands in the United States (Spanish)