Photosynthesis

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    Give a Hoot, Don’t Pollute! Welcome to Woodsy Owl LIVE 3, a distance learning adventure brought to you by the…
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    Woodsy Owl LIVE 3 — Episode 1 — The Science of Air Pollution

  • 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

  • A pdf preview of the first page of "What Lies Beneath"
    The cascade of effects that result from the presence of a tiny invasive species can be fascinating, surprising, and maybe…
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    What Lies Beneath: Estimating the Effect of an Invasive Insect on an Area’s Water Cycle

  • Thumbnail of Ariel Lugo in his office
    This is the 2nd video in this series. Learn how scientists like Ariel Lugo use historical and comparative analysis to…
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    Planning to Test Your Question with Ariel Lugo USDA Forest Service (2/4)

  • 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 first page of the lesson plan titled "How much carbon is held by the world's forests?". The page has an illustration showing the process of carbon dioxide in the atmosphere.
    In recent years, the amount of carbon dioxide in the atmosphere has been rising. Scientists believe that higher levels of carbon…
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    Inquiry 3: How Much Carbon is Held by the World’s Forests?

  • PDF Preview of Balancing Act Word Search
    Test your science knowledge with a word search.
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    Word Search – Balancing Act

  • 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?

  • illustration of a landscaper in a crane, sawing a tree
    Too much carbon dioxide (CO2) in the atmosphere is mostly caused by two things: burning fossil fuels and the loss…
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    Balancing Act: Urban Trees and the Carbon Cycle

  • 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)