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Scientific Processing 2
Test Description: Answer the review questions about scientific processing from our Odyssey lectures.
Instructions: Answer all questions to get your test result.
1) On an X-Y graph, where is the dependent variable scale (the marked increments)?
A
The dependent variable scale is along the Y-axis (vertical).
B
The dependent variable scale is not part of an X-Y graph.
C
The dependent variable scale is along the X-axis (horizontal).
D
The dependent variable scale is along the trend line.
2) If the experiment's data does not support the hypothesis, what would a scientist do next?
A
discard the entire experiment as irrelevant
B
ask more questions based on learning something from this experiment
C
question their ability to be a scientist
D
conclude the opposite of the hypothesis
3) How does a pie chart help form conclusions?
A
plotting all of the observations.
B
showing quantity by category
C
showing a constant ratio with the trend line.
D
showing how data falls into categories with the relative wedge sizes
4) What is the purpose of the written conclusion in an experiment?
A
It speculates on future experiments.
B
It answers the original question that led to the hypothesis
C
It gives credit to the people involved in the experiment
D
It discusses lessons learned from running the procedures
5) When does a scientist create the conclusion?
A
while checking the data for accuracy
B
before observing the data
C
while comparing the data with the hypothesis
D
after defining the hypothesis
6) Hypothesis: South America and Africa were once part of the same continent. Which study would most likely be used to investigate this hypothesis?
A
tracking weather patterns between Africa and South America
B
comparing fossil records from Africa and South America
C
analyzing the populations of large cities in Africa and South America
D
studying the behavior of animals in Africa and South America
7) A researcher hypothesizes that a new club can improve a person's gulf score. Which of these would most likely be the dependent variable in a study involving this golf club?
A
the golf scores of the participants in the study
B
the number of people who buy other kinds of golf clubs
C
the number of people participating in the study
D
the ages of people who golf with other types of golf clubs
8) A student wishes to study the effect of proper hydration on the performance of her school's track team. The dependent variable will probably be
A
The number of hours that each runner trained before the competition
B
The amount of water consumed by each runner
C
The amount of time it takes each runner to complete a certain event
D
The number of medals awarded to the track team during the season
9) A group of scientists claim that a new type of fuel will help reduce greenhouse gas emissions. To evaluate this claim you can
A
determine the efficiency of the fuel in different types of engines
B
calculate the price of producing the fuel.
C
test the amount of greenhouse gases released when the fuel is burned.
D
study the effect of a fuel spill on wetland ecosystems
10) A pesticide used by a farmer begins to appear in the tissue of carnivores that live far from the farm. Which of the following is the best inference about this situation?
A
The carnivores are not affected by the pesticide
B
The pesticide is not effective.
C
The pesticide is traveling through the food chain.
D
The carnivores have been consuming some plants.
*select an answer for all questions
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