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Science - Chapter 1

QuestionAnswer
What would you use to do research for a scientific investigation? 1. a science textbook 2. a published scientific journal 3. an encyclopedia
How many variables should be tested at one time in a scientific investigation? one
What do you call information from which a conclusion can be drawn or a prediction can be made? data
What should you be sure to do to stay safe when performing science activities? ask my teacher questions
What does a scientist using scientific methods do? 1. ask a question 2. record data 3. perform repeated trials
What is true of an experimental group? It is the same as a control group, except that one factor has been changed.
For a scientific conclusion to be valid, what must it be based on? facts
A valid scientific investigation must be able to be __________. replicated
What is the difference between the controls and the variables in an experiment? The control is the standard against which change is measured. A variable is the actual thing that changes.
Why should scientists base their investigations on facts instead of opinions? Facts are the same no matter who performs the investigation, but However, opinions can vary from person to person.
What is the control in an experiment? A standard against which change is measured.
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