| A | B |
|---|
| Scale factor | the ratio of the lengths of the corresponding sides of two simlar figures |
| Similar figures | having the same shape but not necessarily the same size |
| Base Unit | a unit in the metric system on which other units are based. |
| Cancel | to cross out, remove, delete, or invalidate something |
| Conversion factor | a ratio or fraction equivalent to one that is used to multiply or divide a quantity when converting from one unit to another |
| Dimensional Analysis | a technique in which cancelling units is used to obtain the correct solution to a problem. |
| Metric System | a system of units developed in France in 1790, consisting of base units and prefixes |
| Prefix | a word or symbol placed before a unit that multiplies that unit by a power of 10 |
| Scientific Notation | a convenient method of writing very large or very small numbers, consisting of a number between 1 and 10 multiplied by a power of 10 |
| kilo | a prefix meaning multiply by 1000 |
| centi | a prefix meaning multiply by 1/100 |
| milli | a prefix meaning multiply by 1/1000 |
| Corresponding | sides or angles that are in the same position in different figures |
