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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
communicate uncertain results
B
conduct multiple trials
C
add bias
D
pick two hypotheses
2) Predictions about what will happen can be based on which of the following?
A
technology
B
controls
C
number of trials
D
prior knowledge
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
hypothesis
B
variable
C
control
D
bias
5) Computers are used in science to do which of the following processes?
A
all of the above
B
analyze data
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
model
B
control
C
hypothesis
D
variable
7) When scientists make a prediction that can be tested, what skill is being used?
A
taking measurements
B
inferring
C
hypothesizing
D
making models
8) Which of the following is the first step towards finding a solution?
A
draw a conclusion
B
identify the problem
C
test the hypothesis
D
analyze data
9) Which of the following terms describes a variable that does not change in an experiment?
A
hypothesis
B
independent
C
constant
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
measuring the water temperature
B
using a larger tank
C
weighing fish daily
D
setting up a control tank
*select an answer for all questions
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