Nature Of Science Question Preview (ID: 56373)


Middle School - What Is Science? Doing Science. Science And Technology. TEACHERS: click here for quick copy question ID numbers.

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) setting up a control tank
b) weighing fish daily
c) using a larger tank
d) measuring the water temperature

Which of the following terms describes a variable that does not change in an experiment?
a) hypothesis
b) dependent
c) constant
d) independent

Which of the following is the first step towards finding a solution?
a) analyze data
b) draw a conclusion
c) identify the problem
d) test the hypothesis

When scientists make a prediction that can be tested, what skill is being used?
a) hypothesizing
b) inferring
c) taking measurements
d) making models

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) hypothesis
c) control
d) variable

Computers are used in science to do which of the following processes?
a) analyze data
b) make models
c) communicate with other scientists
d) all of the above

In an experiment on bacteria, using different amounts of antibiotics is an example of which of the following?
a) control
b) hypothesis
c) bias
d) variable

Which of the following is the greatest common concern for scientists using the Internet?
a) speed
b) availability
c) language
d) accuracy

Predictions about what will happen can be based on which of the following?
a) controls
b) technology
c) prior knowledge
d) number of trials

To make sure experimental results are valid, which of these procedures must be followed?
a) conduct multiple trials
b) pick two hypotheses
c) add bias
d) communicate uncertain results

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