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8 Cards in this Set

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a possible answer to a scientific question; can be tested and measured

A testable question has 4 characteristics:

1. two things to compare

2. something to measure

3. does not begin with the word, why

4. stated as a question

A scientific question is a question that can be answered by ...

observing, measuring, or investigating

scientific inquiry

the ways in which scientists study the natural world and propose explanations based on the evidence they gather


factors that can change in an experiment

manipulated variable (independent variable)

the variable that is changed on purpose in order to test the hypothesis

responding variable (dependent variable)

the factor that may change in response to the manipulated variable

controlled experiment

an experiment in which only one variable is changed at a time