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Nature Of Science
Test Description: Describe the independent and dependent variables along with the scientific method
Instructions: Answer all questions to get your test result.
1) When constructing a graph, where is the independent variable located?
A
not on a graph
B
along the top
C
x-axis
D
y-axis
2) What is the line of best fit?
A
a trend line
B
a y-axis line
C
a x-axis line
D
a line through the middle of the graph
3) What step should you take after creating a hypothesis?
A
experiment
B
come to a conclusion
C
identify a problem
D
analyze data
4) Why would a scientist change their hypothesis?
A
experiment proves it is false
B
new technology or developments occur
C
not enough data
D
experiment does not work
5) Which term describes the information that a scientist gathers during an investigation?
A
variable
B
hypothesis
C
observation
D
data
6) A scientist experiments with lab rats in a controlled experiment about how the amount of exercise affects the body mass of lab rats. What is the independent variable of the experiment?
A
size of rats enclosure
B
type of food given
C
amount of exercise
D
amount of food given to rats
7) Which statement best describes science?
A
a study of natural events and conditions
B
a collection of knowledge about Earth
C
a list of facts
D
a complete explanation
8) What must a good scientist do before accepting a scientific explanation?
A
Read the latest scientific article on the explanation
B
Consider the evidence, make observations, and determine the logic
C
talk to a scientist
D
perform an experiment in this area
9) What is empirical evidence?
A
opinions of scientists and researchers
B
scientific theories, laws, and other explanations
C
observations and data gathered during scientific investigations
D
predictions based on previous scientific investigations
10) What is the difference between the independent and dependent variables in an experiment?
A
the independent variable is always a number, and the dependent variable is never a number
B
the dependent variable is found in the first column of a table, and the independent variable is found in the second
C
the independent variable is what you control, and the dependent variable is what changes as a result
D
the dependent variable is what the investigator controls, and the independent variable is what happens as a result of this
*select an answer for all questions
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