Chapter 1.pptx - Scientfc MeThod \u2022 Science is noT jusT a collecton oF FacTs and Theories \u2022 Also a process To approach problems \u2022 Remember \u2013

Chapter 1.pptx - Scientfc MeThod u2022 Science is noT jusT...

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Scientific Method Science is not just a collection of facts and theories Also a process to approach problems Remember Scientists have knowledge that impacts hypotheses (bias) More than one model can describe observations Observation Hypothesis Experiment 1
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Making Measurements M u easurements have some degree of ncertainty 2
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Precision vs. Accuracy Precision: how close together different measurements are Accuracy: How close measurement is to actual result 3
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4 The melting point of pure benzoic acid is 122°C. Data obtained by four students in a laboratory experiment are shown. Which student’s data are relatively precise but not accurate? Student A Student B Student C Student D 115 ° C 119 ° C 122 ° C 118 ° C 112 ° C 118 ° C 121 ° C 120 ° C 118 ° C 119 ° C 122 ° C 124 ° C 116 ° C 120 ° C 121 ° C 126 ° C A. Student A B. Student B C. Student C D. Student D E. None of them
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