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1.3 Scientific Thinking and Processes KEY CONCEPT Scientific Method Science is a way of thinking, questioning, and gathering evidence.

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Presentation on theme: "1.3 Scientific Thinking and Processes KEY CONCEPT Scientific Method Science is a way of thinking, questioning, and gathering evidence."— Presentation transcript:

1 1.3 Scientific Thinking and Processes KEY CONCEPT Scientific Method Science is a way of thinking, questioning, and gathering evidence.

2 1.3 Scientific Thinking and Processes Like all science, biology is a process of inquiry or problem solving.. Scientific method- an organized way of problem solving Steps: 1 state the problem 2 gather information 3 form a hypothesis 4 test the hypothesis – set up an experiment were only one factor you are testing will change. control group – set up that does not contain the factor you are testing experimental group – set up that does contain what you are testing Variables – factors you are testing independent variables – factors you have decided to test dependent variable – factors that you don't know the out come until the end of the experiment Constants – factors that always remain the same 5 record data: quantitative data- measurements qualitative data- describing 6 analyze data 7 conclusion: accept or reject the hypothesis, does my data prove or disprove the hypothesis

3 1.3 Scientific Thinking and Processes Biologists use experiments to test hypotheses. Collect Data:

4 1.3 Scientific Thinking and Processes Experiments allow scientists to determine what causes a phenomenon.

5 1.3 Scientific Thinking and Processes

6 A theory explains a wide range of observations. Theories explain a wide range of observations and experimental results. A theory is supported by a wide range of scientific evidence. Theories can change based on new evidence.


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