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What is Science? Scientific Inquiry. The diverse ways in which scientists study the natural world and propose explanations based on the evidence they.

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Presentation on theme: "What is Science? Scientific Inquiry. The diverse ways in which scientists study the natural world and propose explanations based on the evidence they."— Presentation transcript:

1 What is Science? Scientific Inquiry

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

3 Scientific Inquiry The process of finding answers to problems by means of asking questions. The first step in getting the scientific method process started.

4 The SCIENTIFIC METHOD is a problem solving method used to find answers to scientific questions.

5 There are 6 steps to the scientific method: 1.State the question/problem. 2.Collect information. 3.Make a hypothesis. 4.Perform an experiment. 5.Record and study data. 6. Draw a conclusion.

6 Every good scientist knows that they must REPEAT THEIR WORK in order to be sure that the results of their experiment are precise and accurate. What scientific attitude must a scientist possess in order to develop questions to study? CURIOUSITY

7 Hypothesis A possible explanation for a set of observations or answer to a scientific question. An EDUCATED guess.

8 A hypothesis must be testable. What does this mean? Researchers must be able to carry out investigations and gather evidence that will either support or disprove the hypothesis.

9 Independent/Manipulated Variable The one variable that is purposely changed to test the hypothesis. Researcher is in control of this variable. Independent variable is on the x-axis of a graph.

10 What was the independent variable in the rose lab? The type of water in which the rose was placed. (sugar, neutral, or salt)

11 Dependent/Responding Variable The factor that may change in response to the manipulated variable. Cannot be controlled by the researcher. Dependent Variable is found on the y-axis.

12 What is the dependent variable in the rose lab? The condition of the roses!

13 Controlled Experiment An experiment in which only one variable is manipulated at a time.

14 Was the rose lab a controlled experiment? YES!!!!

15 Operational Definitions A statement that describes how to measure a particular variable or define a particular term.

16 Data Facts, figures, and other evidence gathered through observations. Can be displayed in charts, tables, and graphs.

17 Re-write the class data collected about favorite candy bars. Snickers Milky Way 3 Musketeers Hershey’s Reese’s Peanut Butter Cup

18 Communicating The sharing of ideas and experimental findings with others through writing and speaking.

19 What are 3 ways scientists can communicate with one another? Scientific journals and articles Scientific meetings Internet

20 Scientific Theory A well-tested explanation for a wide range of observations. Modern Atomic Theory Big Bang Theory Plate Tectonic Theory

21 Scientific Law A statement that describes what scientists expect to happen every time under a particular set of conditions. Newtons’ Laws of Motion Gravity

22 How do scientific theories and scientific laws differ? Unlike a theory, a scientific law describes an observed pattern in nature without attempting to explain it! See example of gravity on next slide…

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24 Are there any questions?


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