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Nature Of Science
Test Description: Middle School - What is Science? Doing Science. Science and Technology
Instructions: Answer all questions to get your test result.
1) To make sure experimental results are valid, which of these procedures must be followed?
A
add bias
B
communicate uncertain results
C
pick two hypotheses
D
conduct multiple trials
2) Predictions about what will happen can be based on which of the following?
A
prior knowledge
B
number of trials
C
controls
D
technology
3) Which of the following is the greatest common concern for scientists using the Internet?
A
language
B
speed
C
accuracy
D
availability
4) In an experiment on bacteria, using different amounts of antibiotics is an example of which of the following?
A
variable
B
control
C
hypothesis
D
bias
5) Computers are used in science to do which of the following processes?
A
analyze data
B
all of the above
C
make models
D
communicate with other scientists
6) If you use a computer to make a three-dimensional picture of a building, it is an example of which of the following?
A
variable
B
model
C
control
D
hypothesis
7) When scientists make a prediction that can be tested, what skill is being used?
A
hypothesizing
B
making models
C
taking measurements
D
inferring
8) Which of the following is the first step towards finding a solution?
A
test the hypothesis
B
identify the problem
C
draw a conclusion
D
analyze data
9) Which of the following terms describes a variable that does not change in an experiment?
A
constant
B
hypothesis
C
independent
D
dependent
10) Carmen did an experiment to learn whether fish grew larger in cooler water. Once a week she weighed the fish and recorded the data. What could have improved her experiment?
A
using a larger tank
B
weighing fish daily
C
measuring the water temperature
D
setting up a control tank
*select an answer for all questions
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