By

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• By
• Brooke Guernsey

Click to begin!
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What is a dinosaur?

• A dinosaur is an extremely old reptile that lived
  millions and millions of years ago in a time
  called the Mesozoic Era.
  
• They lived at a time before humans were even
  around.
  

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What did they eat?

• The meat eaters, such as Tyrannosauruses,
  Stegosauruses, and Eoraptors ate other dinosaurs
  or mammals.
  
• The plant eaters, such as Plateosauruses,
  Triceratops, and Hadrosaurs ate plants and
  trees.
  

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What happened to them?

• There are many theories about what happened to
  the dinosaurs. Here are some of them
  
• An asteroid crashed into Earth.
• Mammals were eating the dinosaur eggs.
• With the seas shrinking at the end of the
  Cretaceous Period, the different types of
  dinosaurs could have met up for the first time.
  Diseases or new predators may have killed them
  off.
• Poisonous plants.
• These are just theories though. Scientists are
  still trying to figure out what really happened
  to all of them.

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Fun Facts!!

• Not all now-extinct reptiles were dinosaurs.
• Dinosaurs either got around on two legs or all
  fours. None of them flew.
  
• A Stegosaurus has a brain the size of a walnut.
• The word dinosaur means fearfully great
  lizard.
  
• Most dinosaurs either had the kind that of teeth
  that could chew plants or the kind that could
  chew meat.
  
• Some dinosaurs had spikes all over their bodies
  to help protect them from predators.

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Lets take a quiz!!!

• What era did the dinosaurs live in?
• The Metrotopic Era
• The Mesozoic Era
• The Catastrophic Era
• The Reptilia Era

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Oops!

• Lets try again!

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Correct!!!

• It is the Mesozoic Era. You really know your
  stuff!
  
• Congratulations!

End of Show
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References

• Grambo, R. Dinosaurs. Kidsbooks, 2006.
• Pictures and noises courtesy of Microsoft Clip
  Art.

Bio Page
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Bio Page

• Brooke Guernsey is currently a student at Western
  Michigan University in the College of Education.