Worksheets and No Prep Teaching Resources
Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
Earth
Clues to Earth's Past

Earth
Earth


Clues to Earth's Past
Print Clues to Earth's Past Reading Comprehension with Sixth Grade Work

Print Clues to Earth's Past Reading Comprehension


Reading Level
     edHelper's suggested reading level:   grades 6 to 8
     Flesch-Kincaid grade level:   6.47

Vocabulary
     challenging words:    hippo-like, finding, hypothesis, widely, theory, continental, jigsaw, meaning, prove, landmass, compare, evidence, trapped, traveled, likely, date
     content words:    Alfred Wegener, South America, Atlantic Ocean, South Africa, Cape Mountains, Buenos Aires, Harry Hess


Clues to Earth's Past
By Cindy Grigg
  

1     How do scientists know what the Earth was like long ago? Scientists ask questions. They notice things. They gather clues and evidence. Then they make a hypothesis. They try to collect information to prove whether their hypothesis is correct or not.
 
2     In 1915, Alfred Wegener published his theory of continental drift. He said that all of Earth's continents were drifting. He thought that they could fit together. He carefully studied the outlines of the continents. He noticed that Africa and South America looked as though they would fit together like a jigsaw puzzle. He compared rock types from both sides of the Atlantic Ocean. He looked at fossils in the rock and found similar ones. How did the rocks and fossils get separated by the Atlantic Ocean?
 
3     Wegener believed that all of Earth's land masses were once joined into one giant landmass. He called it Pangaea, meaning "All Earth." Then, he said, Pangaea split apart. The different continents drifted away from each other, in time finding their modern places.

Paragraphs 4 to 8:
For the complete story with questions: click here for printable



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Earth
             Earth


Science
             Science


    Careers in Science  
 
    Caring for Earth  
 
    Clouds  
 
    Dinosaurs  
 
    Earth's Land  
 
    Earth  
 
    Earthquakes  
 
    Electricity  
 
    Energy  
 
    Erosion  
 
    Food Pyramid  
 
    Food Webs and Food Chain  
 
    Forces and Motion  
 
    Fossils  
 
    Health and Nutrition  
 
    How Things Work  
 
    Landforms  
 
    Life Science  
 
    Light  
 
    Magnets  
 
    Matter  
 
 
    Moon  
 
    Natural Disasters  
 
    Photosynthesis  
 
    Plant and Animal Cells  
 
    Plants  
 
    Rocks and Minerals  
 
    Science Process Skills  
 
    Scientific Notation  
 
    Seasons  
 
    Simple Machines  
 
    Soil  
 
    Solar System  
 
    Sound  
 
    Space and Stars  
 
    Sun  
 
    Tsunami  
 
    Volcanoes  
 
    Water Cycle  
 
    Water  
 
    Weather  
 



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