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