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  • 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)

  • tree root diagram
    The scientists in this study wanted to know how rising levels of carbon dioxide in the troposphere might affect the…
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    FACELook! Exploring the Relationship Between Carbon, Photosynthesis, and the Roots of Trees

  • The cover of "Where in the World Is Carbon Dioxide" featuring an illustration of a boy and his puppy in front of a mountain, next to an illustration of a man and his dog in front of the changed landscape
    Most scientists think that evidence from different studies shows that our global climate is changing in many ways, such as…
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    Where in the World Is Carbon Dioxide? The Potential Impact of Rising Levels of Carbon Dioxide on U.S. Forests

  • PDF preview of the Spanish cover of Where in the World is Carbon Dioxide?
    Most scientists think that evidence from different studies shows that our global climate is changing in many ways, such as…
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    Where in the World Is Carbon Dioxide? The Potential Impact of Rising Levels of Carbon Dioxide on U.S. Forests (Spanish)

  • Illustration of hemlock branches with cones
    Water is constantly moving throughout the natural environment. Some scientists study the flow of water into, out of, and held…
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    Woolly Bully: Estimating the Effect of an Invasive Insect on an Area’s Water Cycle

  • PDF preview of the word search from "Beetles Are Supercool!"
    After reading “Beetles Are Supercool!,” see if you can complete this word search with the article’s glossary terms.
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    Word Search – Beetles Are Supercool!

  • PDF Preview of Where in the World is Carbon Dioxide Word Search
    Test your knowledge of plants, climate, and weather with a word search.
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    Word Search – Where in the World Is Carbon Dioxide?