Physics 1 Questions & Answers

Physics 1 Questions & Answers ___ degrees is the SI standard for temperature. - ANSWER: Kelvin ___ helped many humans when he created the smallpox vaccine. - ANSWER: Edward Jenner ___ is a derived unit that involves force and area. - ANSWER: Pressure a bar over a number or epression - ANSWER: vinculum A man who is the forefront of creating the field of chemistry was ___. - ANSWER: Robert Boyle A scientist may use an experiment or a(n) ___ to collect data. - ANSWER: survey A scientist will ___ his experiments to verify the results. - ANSWER: repeat a. measurable or estimated by quantity - ANSWER: quantitative able to eat away at a material - ANSWER: corrosive accuracy can be limited by? - ANSWER: measurement devices, careless situations, careless experimentation All nonzero digits are? - ANSWER: significant any other zeros are - ANSWER: nonsignificant b. possible explanation for an observation - ANSWER: hypothesis c. having to do with the five senses - ANSWER: qualitative d. having a cycle; occurring over and over - ANSWER: iterative Density is the relationship between ___ and volume. - ANSWER: mass gaining knowledge through the five senses or by recording data from scientific instruments - ANSWER: observation how close a number is to its true value - ANSWER: precision measurements generally include a certain degree of accuracy plus one estimated figure - ANSWER: signifiicant figures Ockham's Razor is the idea that the correct explanation for a phenomenon is the ___. - ANSWER: simplest one thousand meters - ANSWER: kilometers one-hundredth of a second - ANSWER: centisecond one-millionth - ANSWER: micro-