Types of science investigations
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  • 1. Types of ScienceInvestigationsNew Science TEKS
  • 2. Types of Investigations• Descriptive• Comparative• Experimental
  • 3. Descriptive Investigations• Investigations used when scientists describe something quantitatively and/or qualitatively • Research question • Description of procedures • Data collection, display and analysis • Conclusion/Explanation
  • 4. Descriptive Investigation:• Involves describing and/or quantifying parts of a natural or man made system. • Quantitative Data • Qualitative Data
  • 5. Comparative Investigations• Investigations used when scientists compare two or more groups on one variable to determine the strength of correlation • Research question • Description of procedures • Hypothesis • Independent variable • Dependent variable • Controlled all of the variables except the independent • Data collection, display and analysis • Conclusions/explanation
  • 6. Comparative Investigation:• Involves collecting data on different organisms/objects/features, or collecting data under different conditions (e.g., times of the year, temperatures, locations) to make a comparison.
  • 7. Experimental Investigations• Investigations used by scientists when they compare an experimental group to a control group • Research question • Description of procedures • Hypothesis • Independent variable • Dependent variable • Controlled all of the variables except the independent • Control group • Data collection, display and analysis • Conclusions/explanation
  • 8. Experimental Investigations• Investigations used by scientists when they compare an experimental group to a control group • Research question • Description of procedures • Hypothesis • Independent variable • Dependent variable • Controlled all of the variables except the independent • Control group • Data collection, display and analysis • Conclusions/explanation