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