| Definition | Vocab Word |
| logical interpretation based on prior knowledge and observations | |
| mass per unit volume of a material | |
| having the property of attracting most metals through an invisible 'field' | |
| the change of state from a liquid to a gas | |
| a change from one state of matter to another without a change in chemical composition | |
| subatomic particle that has no charge and that is found in the nucleus of an atom | |
| mixture that does not mix completely and in which individual substances remain distinct | |
| electrons 'buzzing' around the nucleus occupy different distances from it | |
| number in front of a chemical formula in an equation that indicates how many molecules of reactant and product are involved | |
| chemical reaction occurring with the absorption of heat | |
| pH 7 | |
| force attraction that holds atoms together | |
| building blocks of matter | |
| two or more substances combined, but not chemically | |
| a well tested idea that explains a wide range of observations | |
| mixture containing small, undissolved particles that do not settle out | |
| colloid in which both phases are liquids | |
| form of energy related to motion | |
| exact temperature where a substance goes from a liquid to a gas | |
| part of a solution present in a lesser amount and dissolved by the solvent | |
| change of state of a solid directly into a gas | |
| property of how consistent a material is through out | |
| ion with a negative charge | |
| believe atoms were solid, invisible, indivisible spheres | |
| discovered the neutron in the nucleus | |
| process of gathering information about events or processes in a careful orderly way | |
| quality of a substance that can be observed/measured without changing the substance's composition | |
| total amount of energy associated with the random movement of atoms and molecules in matter | |
| change of substance from a gas to a liquid | |
| a characteristic of a pure substance that describes its ability to change into different substances | |
| negatively charged particle; located outside the atomic nucleus | |
| change that produces matter with a different composition than the original matter | |