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Quiz Science 425

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
What is relative dating in geology?   show
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Layers or sediment are generally deposited in a horizontal position is known as the..?   show
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show principle of cross-cutting  
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show unconformity  
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show permineralization  
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show is an index fossil  
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show an atom of a given element with a varying number of neutrons  
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How is absolute dating measured?   show
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What is the half-life of a radioactive element?   show
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show 542 million years ago  
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show helium and hydrogen  
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Early Earth was hot because ________.   show
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Which one of the following represents the greatest expanse of geological time?   show
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Earth's primitive atmosphere evolved from gases ________.   show
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show stromatolites  
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The process in which plants use light energy to synthesize food sugars from carbon dioxide is ?   show
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The beginning of the Phanerozoic is marked by the ________.   show
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The largest mass extinction in the Phanerozoic occurred in the ________ period.   show
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show Mesozoic  
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A major obstacle the first land plants had to overcome was ________.   show
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show reptiles  
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show Cenozoic  
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show 71-74  
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show Deep Ocean Trenches  
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show Trench  
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The continental rise is located ________.   show
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show Continental Shelf  
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show Continental Slope, Accretionary Wedge, Ocean Trench  
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show An Accretionary Wedge  
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show Active Rift Zones  
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show Normal Faults  
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show Terrigenous Sediment  
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show Hydrogenous Sediment  
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Created by: NMay2