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Scientific Inquiry Section Quiz Review

SECTION QUIZ REVIEW ANSWER KEY

SECTION QUIZ REVIEW ANSWER KEY
For Quiz Friday (Nov. 12, 2010)

1. Define Scientific inquiry - diverse ways in which scientists study the natural world and propose explanations based on evidence they gather.
2. What does scientific inquiry often begins with? a problem or questions about an observation.
3. Where do questions come from? experiences you have and from observations and inferences you make.
4. What is a scientific question? one that can be answered by making observations and gathering evidence.
5. What is a hypothesis? is a possible explanation for a set of observations or answer to a scientific question.
6. What does “testable hypothesis” mean? This means that researchers must be able to carry out investigations and gather evidence that will either support or disprove the hypothesis.
7. Why does a scientist design an experiment? to test a hypothesis.
8. What are variables? All factors that can change in an experiment
9. Define manipulated variable. The variable that is purposely changed to test a hypothesis
10. What is another name for manipulated variable? independent variable
11. Define responding variable. The factor that may change in response to the manipulated variable
12. What is the responding variable also called? dependent variable
13. What is a controlled experiment? An experiment in which only one variable is manipulated at a time.
14. What is an operational definition? is a statement that describes how to measure a particular variable or define a particular term.
15. Define data. Data are facts, figures, and other evidence gathered through observations.
16. What do scientists do after gathering and interpreting data? draw conclusions about the hypothesis.
17. What is a conclusion? a summary of what you have learned from an experiment.
18. What is communicating in the scientific inquiry process? is the sharing of ideas and experimental findings with others through writing and speaking.
19. Define a scientific theory. is a well-tested explanation for a wide range of observations or experimental results.
20. Define scientific law. is a statement that describes what scientists expect to happen every time under a particular set of conditions.
21. What does a scientific law describe? an observed pattern in nature without attempting to explain it.
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