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Scientific Method Unit Test (part 3)
Test Description: Students prepare for their unit test on the Scientific Method
Instructions: Answer all questions to get your test result.
1) In a scientific experiment, how me things can be tested at once?
A
1
B
2
C
3
D
the more the better
2) How can any science experiment be improved?
A
by adding more samples and trials
B
by taking less time to conduct the experiment
C
by adding more acid
D
by having only one sample in the experimental group
3) Which of the following is the best definition of the term independent variable
A
the variable that does not change
B
the variable that is changed to test the hypothesis
C
the variable that is changed to prove your hypothesis correct
D
the variable that changes in response to the changed variable
4) A student conducted a well designed scientific experiment. Which of the following needs to happen in order for the results of the experiment to be widely accepted?
A
The experiment will need to be repeated in order to verify the data
B
the results of the experiment must support the hypothesis
C
the experiment must contain several variables
D
the experiment must be conducted by a real scientist
5) Which of the following does a scientist use to analyze the results of an experiment?
A
control factors
B
data
C
a hypothesis
D
a microscope
6) After an experiment is conducted, the hypothesis appears to be false. This indicates
A
the results are of no use
B
the design of the experiment was bad
C
the data may be useful, but further testing and redesign of the experiment may be needed
D
the experiment is a failure
7) At the end of the scientific method, we can report what based on the results of the experiment
A
purpose
B
hypothesis
C
conclusion
D
question
8) A student designs an experiment and gets results that support her hypothesis after one trial. The student should
A
do several trials of the experiment to see if her data is reliable
B
write a paper and publish the results
C
redesign the experiment to get more favorable data
D
form a new hypothesis and try the experiment again
9) Mr. Harvey is trying to determine how many steps students should be limited to in order to get to his class from the restroom. He counts the steps of 5 students and records the data. Which describes the data collected by Mr. Harvey?
A
The data is reliable and Mr. Harvey should absolutely limit the number of steps students take to his class from the restroom
B
The data is reliable for determining the number of steps boys and girls should be allowed from the restroom to his class
C
The data is unreliable, so Mr. Harvey should collect better data by having only teachers as his test subjects
D
The data is unreliable, because the students have different sizes of feet.
10) Which of the following best describes technology?
A
Technology is the method of making transportation faster
B
Technology is the use of electronic devices.
C
Technology is the manipulation of natural resources to make useful products
D
Technology is the ability to surf the internet
*select an answer for all questions
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