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Physics CH 1 Review
Review of scientific method, Significant Figures and Conversions
| Question | Answer |
|---|---|
| always significant figures | non-zeros , trailing zeros with a decimal, trapped zeros |
| never significant figures | leading zeros , trailing zeroes without a decimal |
| physics | branch of science concerned with the nature and properties of matter and energy |
| International System (SI) | system of measurement used in science |
| Mega (M) | 1 million times larger |
| pico (p) | 1 trillion times smaller |
| milli (m) | 1000 times smaller |
| hecto (h) | 100 times larger |
| unlimited significant figures | a count or math definition |
| scientific notation | math expression written as a decimal number between 1 and 10 times 10 raised to a power |
| accurate | getting close to the expected value |
| precise | the closeness of a series of values |
| moles (mol) | SI unit for amount of substance |
| candela (cd) | SI unit for luminous intensity |
| amps (A) | SI unit for electric current |
| theory | well supported explanation of observed phenomena |
| law | brief summariy/description of observed phenomena |
| qualitative data | info that does NOT include measurements or numbers |
| quantitative data | info that does include measurement or numbers |
| seconds | SI unit for time |
| Kelvin | SI unit for temperature |
| science | gather info about the natural world by observing and experimenting |
| nano (n) | 1 billion times smaller |
| deca (da) | 10 times larger |
| deci (d) | 10 times smaller |
Created by:
cadetjt
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