Ms. Pauline's Class



Instructions: Find the answers to each question below by visiting the website(s) listed above it.  Answer in complete sentences please (

I. Plate Tectonics/ Earth's History:

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Observe the Continental Drift animation at the website below.  Note where Antarctica was located 500 mya (Near poles or near equator?).  Note where it is located presently.  

1.  Do you think the climate on the continent Antarctica has changed? Explain how.

2.    How do you think species in Antarctica may have been affected by these climatic changes (Hint:  Figure out how many years it took Antarctica to drift from the equator to the pole)?

a)

b)

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3.  How old is planet Earth estimated to be?

4.  Record some of the most significant changes that occurred at different times during the earth's early history in the chart below.

Precambrian Eon (4,550-553 mya)

Hadean (4,550-3,800 mya)    Archaean (3,800-2,500 mya)    Proterozoic (2,500-543 mya)

Geology:

        

Transformation:

       

5.    Record one or more changes that occurred during each period of the Mesozoic & Cenozoic Eras in the tables that were handed out.

II.  Extinctions:

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6.    What hypothesis have scientists made to explain the extinction of 50% of all species at the end of the Triassic period?

7.    What events do scientists think cause the extinction of about 80% of all species (including dinosaurs) at the end of the Cretaceous period?

8.    What events do scientists suspect caused the extinction of woodland plant-eating herbivores the Miocene period?

9.    What events do scientists think cause the extinction of large mammals in the late Pleistocene period?

III.  Fossils & How They Form:

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(Match Fossils)

10.    Define "evolution."

11.    What can fossils help us understand?

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(Fighting Dinosaurs)

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(Dinosaur Interview)

12.      List 3 or more things that scientists can tell about extinct organisms by studying fossils.

13.    List 2 things that scientists cannot tell about extinct organisms by studying fossils.

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➢    (movie)

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14.  Describe how fossils form using words or diagrams?

Extensions:

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Learn much about the coolest Tyrannosaurus rex fossils by visiting the website above.

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Learn about extinct mammals.

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Learn more about any dinosaur.

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