GSS 1972-2021 Cumulative Datafile - Release 3b

    Please look at Card I-2.  A student wants to find out if 
temperature affects the behavior of goldfish. He has 4 fish bowls and 
20 goldfish.  Which of the experiments on Card I-2 should he do?      
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A farmer thinks that the vegetables on her farm are not getting 
enough water. Her son suggests that they use water from the nearby 
ocean to water the vegetables. Is this a good idea?                   
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Which one of the following is not an example of erosion?              
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Traits are transferred from generation to generation through the...   
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How do most fish get the oxygen they need to survive?                 
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For which reason may people experience shortness of breath more 
quickly at the top of a mountain than along a seashore?               
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    Please look at Card I-3.  Day-night rhythms dramatically affect 
our bodies.  Probably no body system is more influenced than the 
nervous system. The figure on Card I-3 illustrates the number of 
errors made by shift workers in different portions of
    Based on the data illustrated in the figure, during which of 
these time periods did the                                            
    most errors occur?                                                
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As part of a laboratory experiment, five students measured the weight 
of the same leaf four times. They recorded 20 slightly different 
weights.  All of the work was done carefully and correctly.  Their 
goal was to be as accurate as possible and reduce
Which of the following is the best method to report the weight of the 
leaf?                                                                 
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    Please look at Card I-4.  A gardener has an idea that a plant 
needs sand in the soil for healthy growth.  In order to test her idea 
she uses two pots of plants.  She sets up one pot of plants as shown 
on the top part of the card.   Which one of th
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