1. Scientific Inquiry
Chapter 1, Lesson 3

2. Diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.
scientific inquiry

3. Possible answer to a scientific question.
hypothesis

4. Factor that can change in an experiment.
variable

5. Factor that is purposely changed to test a hypothesis.
manipulated variable

6. Factor that may change in response to a manipulated variable.
responding variable

7. Experiment in which only one variable is manipulated at a time.
controlled experiment

8. Facts, figures and other evidence gathered through observation.
data

9. Well-tested explanation for a wide range of observations.
scientific theory

10. Statement that describes what scientists expect to happen every time under a particular set of conditions.
scientific law