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SI units + Prefixes
Reviewing metric prefixes and SI units of measure
| Question | Answer |
|---|---|
| The SI system is based off of what system | metric |
| Trailing zeroes with a decimal , Non-Zeros, and Trapped Zeros are _______ signficant | always |
| Leading and Trailing zeroes without a decimal are _______ significant | never |
| The closeness of a series of values | precise |
| Getting close to the expected or accepted value | accurate |
| (difference)/ accepted value x 100% | percent error |
| SI unit for time | seconds |
| SI unit for length | meter |
| SI unit for mass | kilogram |
| SI stands for this | International System |
| SI unit for temperature | Kelvin |
| a count or math definition/conversion are 2 conditions for this | infinite/unlimited significant figures |
| Mass divided by volume is the formula for .... | density |
| the SI unit for volume | cubic meters |
| is the product of a coefficient times base of 10 | scientific notation |
| Kelvin temperatures can NEVER have this type of degrees | negative |
| To convert Celsius to Kelvin | add 273 |
| To convert Kelvin to Celsius | subtract 273 |
| temperature where all molecules stop moving | Absolute Zero ( O K ) |
| measure of how hot or cold an object is | temperature |
| 100 times larger | hecto (h) |
| 100 times smaller ( 1/100 ) | centi (c) |
| non-SI unit for volume | Liter (L) |
| 1000 times smaller ( 1/1000 ) | milli (m) |
| 1000 times larger | kilo (k) |
| 10 times larger | deca (da) |
| 10 times smaller ( 1/10 ) | deci (d) |
| grams, Liters, meters, seconds are examples of this | base units |
| is a ratio of equivalent values Ex. 1 year = 365 days | conversion factor |
| order of math operations | P E M D A S |
| always includes a number and a unit | measurement |
| The SI and metric system are based on multiples of this number | 10 |
| Base units have this number value | 1 |