PHYSICS 10 Lecture Notes - Lecture 1: Measuring Instrument, Ampere, Kilogram
Document Summary
The scientific method: before you have a theory, you have to guess and check, experiment is only way to test the answer, formulate question, form hypothesis- statement to test, explore consequences, perform experiment(s) If experiment confirms hypothesis, then the hypothesis becomes a theory. If not, then go back to the drawing board. Evolution and animal bones: law- uses concise language to describe a generalized pattern in nature that is supported by scientific evidence and repeated experiments. Intro to physics: si units: meter (length, m), kilogram (mass, kg), second (time, s), ampere (electric current, a, order of magnitude- scale of a value expressed in the metric system, represented by powers of 10. Zeros are significant expect when they are used as placekeepers. For multiplication and division- the result should have the same number of significant figures as the quantity having the least significant figures entering into the calculation. Instantaneous velocity- average velocity at a specific time.
