| A | B |
|---|
| metric system | decimal system of units based on the meter as the unit of lenght, kilogram as a unit mass, and the second as a unit of time |
| length | distance from point to point-meter |
| mass | amount of matter-kilogram |
| volume | space matter occupies-liter |
| temperature | average kinetic energy in matter-celsius kelvin |
| weight/force | push or a pull-Newton |
| work | force applied throught a distance-joule Newton-meter |
| power | work per unit of time -watt |
| speed | distance per unit of time-meter per second |
| acceleration | meter per second squared |
| chemical safety | treat all chemicals as harmful, avoid direct contanct with your hands, wear safety glasses |
| Why might heat break cold glass? | sudden changes in temperature |
| nano | 0.000 000 001 |
| milli | 0.001 |
| centi | 0.01 |
| giga | 1 000 000 000 |
| mega | 1 000 000` |
| kilo | 1 000 |
| triple beam balance measures | mass |
| menicus | lowest level of liquid |
| to determine the volume of an irregularly shaped solid | use a graduated cylinder |
| spring scale | measures force |
| voltmeter | measures voltage or potential differences |
| metric ruler | measures length |
| indicator | to determine the presence of a certain substance or to measure the acidity or basicity of a substance |
| pH scale | measures the strenght of an acid or base |
| pH range for bases | greater than 7 |
