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module 0
intro to physics
| Term | Definition |
|---|---|
| divide by 10 | mm to cm |
| divide by 100 | cm to m |
| divide by 1000 | m to km |
| multiply by 1000 | km to m |
| multiply by 100 | m to cm |
| multiply by 10 | cm to mm |
| divide by 1000 | mg to g |
| divide by 1000 | g to kg |
| multiply by 1000 | kg to g |
| multiply by 1000 | g to mg |
| divide by 1000 | mL to L |
| multiply by 1000 | L to mL |
| 1cm^3 = 1mL | cm^ to mL |
| 10^12 | tera (T) |
| 10^9 | giga (G) |
| 10^6 | mega (M) |
| 10^3 | kilo (k) |
| 10^-2 | centi (c) |
| 10^-3 | milli (m) |
| 10^-6 | micro (µ) |
| 10^-9 | nano (n) |
| 10^-12 | pico (p) |
| 10^-15 | femto |
| significant | all non zero digits are |
| significant | zeros between non zero numbers are |
| not significant | leading zeros are |
| significant | trailing zeros to the right of the decimal are |
| still stay just round the sig figs | when round 0.00000085 to 1 sig fig the zeros |
| systematic error | affects the measurement in a constant way |
| systematic error | doesn't affect reliability |
| systematic error | affects accuracy |
| random error | affects true results by random amounts |
| random error | affects the reliability |
| parallax error | an error made when the eye is not properly lined up with the measuring tool |
| zero error | error when equipment isn't zeroed correctly and will always be off by a certain amount |
| accuracy | refers to how close a measured value is to an accepted value |
| reliablility | how consistent the results are |
| validity | if the hypothesis has been tested and the IV and DV are controlled |
| independent variable | variable that is manipulated |
| dependent variable | the variable that changes in response to manipulations of the independent variable |
Created by:
hoeshi
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