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| Pattern, a general scheme for gaining reliable information about the universe |
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Scientific Method
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| Formulating a Problem - choosing a field, or idea to investigate a Hypothesis |
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Scientific Method
Step Two |
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| Observation and Experiment - facts about nature, and science, tested with accurate, objective data |
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Scientific Method
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| Interpretation -interprets new data from the initial hypothesis which may lead to a law or a theory |
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Scientific Method
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| Testing the interpretation - new observations and experiments to test if the interpretation correctly predicts the results |
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| Speculation or interpretation or hunch, about some aspect of nature but not a definite conclusion |
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| general rule; tells us what; main difference is time |
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| more ambitious attempt to account for what has been found in terms of how mature works. ; tells us why ; main difference is time |
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| North Star used to guide travelers due to its nearly unchanging position. |
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| Easily recognized group of stars |
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| Celestial objects visible to the naked eye; Mercury, Venus, Mars, Jupiter, and Saturn |
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| Earth in the center, motionless, with everything else in the universe moving about it either in circles or in combinations of circles. 1st advocate of Heliocentric. |
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| Sun at the center; Heliocentric, offends religions |
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| Supported Copernican system but did not match it |
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| The Paths of the planets around the sun are ellipses with the sun at the one focus |
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| A planet moves so that its radius vector sweeps out equal areas in equal times. |
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| The ration between the square of the time needed by a planet to make a revolution around the sun and the cube of its average distance from the sun is the same for all the planets. Further away from the sun, the longer the orbit takes |
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| pull of a string, moon pulled to earth, planets in sun's gravitational pull, depended on the copernican view. |
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| astronomer, instruments that were remarkably precise, observatory near Copenhagen - Makes precise measurements proved copernicus correct |
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| Strong- nuclei together. Electromagnetic - charged pull or push. Weak - neutrino interaction. Gravity |
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| Why Science is Successful |
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| subject to new information, data, or analysis. Everything must be supported by evidence to be accepted |
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| Why was Copernicus Correct? |
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| Ptolemaic did not make accurate predictions. Occam's Razor - simplest is most likely correct. |
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| Gravitational attraction squeezes the Earth nearly into a sphere... Rotation of the Earth causes a slight bulge at the equator |
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| Equal areas in equal time Period squared over raius cubed = constant |
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| How the Greeks knew Earth was Round |
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| determined the Earth's size using the sun's shadow - perfect spheres |
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| Galileo and Catholic, beliefs are not science, science can be disproven faith or Religious beliefs cannot |
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| Kilo - 1000 Centi-1/100th Milla - 1000th Hecto - 100 Mega - million |
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| using law of gravity... determined there must be another celestial body to explain Uranus orbit - ORDER OF PLANETS - Mercury venus earth mars jupiter saturn uranus neptune (not pluto) |
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