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HowStuffWorks Earth Science Guide  Tags: science_explanations science_questions science earth_science solar_system animals animal_facts howstuffworks space videos history earth_beginning history_of_earth rocks minerals gems weather natural_disasters disasters atmosphere water_cycle  

Earth Science is a wide, scientific discipline covering all facets of how the earth works. Learn about weather, global warming, natural disasters and how the world’s oceans function.
Last update: Nov 14th, 2008 URL: http://hsw.libguides.com/earthscience-guide  Print Guide  RSS Updates

History of Earth             Print Page
  

Prehistoric Animals

While Mammoths and Saber-toothed Tigers died out long ago, modern mammals are increasingly at risk of extinction due to human intervention. Explore some species that are no longer with us.

 

Dating Techniques

  • How Carbon-14 Dating Works  
      
    Carbon-14 dating is something that you hear about in the news all the time. Everything from mastodons to the Shroud of Turin has been dated using this technique! Learn about how carbon-14 dating works and why it is so accurate!
  • How do scientists determine the age of dinosaur bones?  
      
    Every time a new fossil is found, one of the first things scientists determine is how old that fossil really is. But how do they determine it, and how can they be completely accurate?
  • How Fossils Work  
      
    Fossils tell a story, much like the clues at the scene of a crime. Researchers look for evidence and paleontologists study that evidence to answer questions about the past.
  • What is a fossil?  
      
    We can see dinosaur and plant fossils at just about any natural museum. What exactly are fossils, though, and how do they form? Find out the answers to these questions in this article from HowStuffWorks.

Theories: Origin of Earth

  • How Creationism Works  
      
    The public debate between Christian creationism and evolution has heated up once again in the United States. Learn about the different forms of Christian creationism and find out what's fueling the controversy.
  • How Intelligent Design Works  
      
    How does intelligent design explain the origins of life? In this article, we'll examine intelligent design and the controversy it has generated.
  • How Evolution Works  
      
    Evolution is fascinating because it attempts to answer one of the most basic human questions: Where did life, and human beings, come from? The theory of evolution proposes that life and humans arose through a natural process.
 

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