To make sure experimental results are valid, which of these procedures must be followed?

Predictions about what will happen can be based on which of the following?

Which of the following is the greatest common concern for scientists using the Internet?

In an experiment on bacteria, using different amounts of antibiotics is an example of which of the following?

Computers are used in science to do which of the following processes?

If you use a computer to make a three-dimensional picture of a building, it is an example of which of the following?

When scientists make a prediction that can be tested, what skill is being used?

Which of the following is the first step towards finding a solution?

Which of the following terms describes a variable that does not change in an experiment?

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?

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