Nature of Science - Scientific Thinking.

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Presentation transcript:

Nature of Science - Scientific Thinking

Engaging in Argument from Evidence - Observations are used to gather evidence ( factual data). Two types. • Quantitative-descriptions that use numbers (ex. -2C, 200 ml) • Qualitative – descriptions that do not use numbers (ex. color, odor, touch) - Inference (Claim) is a conclusion made from evidence and reasoning.

Obtaining, Evaluating and Communicating Information -Students need to evaluate literature and properly cite using MLA. write specific procedures and findings. Present finding orally.

Asking question and Defining Problems -What do you want to know or solve?

Constructing Explanation - Form a hypothesis, which is a tentative explanation to solve the problem and can be tested. • Written in If… then… format. • Imagination and creativity

Planning and Carrying out Investigations - Independent- variable that can be changed. - Dependent- variable that changes in response to the independent variable. - Controlled-all other variables kept consistent during experiment.

Analyzing and Interpreting Data Analyzing and Interpreting Data -Data and observations are clearly recorded. Units/labels are included. Figure. Weekly Earthquake data, August 10, 2006.

Atmospheric carbon dioxide concentrations in Mauna Loa, Hawaii. Year Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec. Annual 1958 -99.99 315.71 317.45 317.5 315.86 314.93 313.19 313.34 314.67 1959 315.58 316.47 316.65 317.71 318.29 318.16 316.55 314.8 313.84 314.81 315.59 315.98 1960 316.43 316.97 317.58 319.03 320.03 319.59 318.18 315.91 314.16 313.83 315 316.19 316.91 1961 316.89 317.7 318.54 319.48 320.58 319.78 318.58 316.79 314.99 315.31 316.1 317.01 317.65 1962 317.94 318.56 319.69 321.01 320.61 319.61 317.4 316.26 315.42 316.69 317.69 318.45 1963 318.74 319.08 319.86 321.39 322.24 321.47 319.74 317.77 316.21 315.99 317.07 318.36 318.99 1964 319.57 322.23 321.89 320.44 318.7 316.7 316.87 317.68 318.71 1965 319.44 320.89 322.13 322.16 321.87 321.21 318.87 317.81 317.3 319.42 1966 320.62 321.59 322.39 323.7 324.07 323.75 322.4 320.37 318.64 318.1 319.79 321.03 321.37

- Analysis/graph. •Graphically display or use calculation to analyze data.

Constructing Explanations. Conclusion • Accept or reject your hypothesis? Why? • Summarize essential data used to draw conclusions. • Discuss possible experimental error. • Questions are asked for next hypothesis.