Chap1 -- About Science & Physics

Chap1 -- About Science & Physics - etc. Physics is the...

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Chap. 1
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1. What is Science? A systematic/methodical study of the world Falsification Technology = Applications 1. What is the Scientific Method Observation: data collection. Hypothesis: proposed explanation Experimental testing. Acceptance or rejection of hypothesis. It takes only one instance of proven failure to cause the hypothesis to be rejected!
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Science also brings an attitude Scientific Method Quantitative Models Mathematics as a language What is the difference between: “facts” “hypotheses” “models” “theories” “laws” “principles”
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What is Physics? Let us see physics in the world around us… Let us understand the basic laws of physics/nature. Newton’s laws of motion, gravitation, mass, force, energy, momentum, waves, sound, light,
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Unformatted text preview: etc. Physics is the science that studies nature: matter, forces, energy, motion, interactions. Physics is the most fundamental of the sciences, underpinning all other disciplines of science, engineering, etc. Famous experiments/measurements Eratosthenes measurement of the circumference of the Earth Distance to the Sun (two ways) Size of the Sun Measurement of the Moon diameter via eclipses Measurement of the Moon distance with a coin Eratosthenes measurement of the circumference of the Earth Other measurements: Diameters and Distances of Moon and Sun D d Discussion/Review Questions What do we mean by a theory? What is the (classic) scientific method? What is the difference between science and technology?...
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Chap1 -- About Science & Physics - etc. Physics is the...

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