| A | B |
|---|
| mass | the amount of matter in something |
| volume | the amount of space something takes up |
| matter | anything that has mass and takes up space |
| particle | a very tiny piece of something |
| elements | a substance that can not be broken down into a smaller substance (example- air and water) |
| atom | the smallest part of an element |
| molecules | pair or group of atoms held together by a chemical bond |
| compounds | matter made by 2 or more elements |
| weight | the measure of force of gravity on an objects mass |
| balance | a measuring tool for mass that levels out when 2 objects have the same mass |
| grams | what mass is measured in |
| litters | what volume is measured in |
| cubic | having 3 equal dimensions |
| centimeter | measures length |
| nucleus | the center of an atom |
| protons | particles in the nucleus of an atom with a positive charge |
| neutrons | the particles in the nucleus of an atom with no charge |
| electrons | the particles around the nucleus with a negative charge |
