DINOSAUR INVESTIGATION SHEET

Group Members_________________________________________________________

1. In which periods of geological time did dinosaurs live?________________________

2. When did the earliest dinosaurs appear on Earth?____________________________

3. Did humans live in the same periods and eras as dinosaurs?_____________________

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4. Explain how paleontologists named dinosaurs?  (Three ways)____________________
   
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5. Were all dinosaurs huge? _____________________________________________

   6.    Did dinosaurs communicate?__________________________________________

   7.    How many species of dinosaurs are there?_______________________________

  8.    There are different theories about why dinosaurs became extinct.  After researching

         at least 2 different theories, discuss them with your group and decide which theory you

         believe is responsible for dinosaurs dying out. ________________________________

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