| Definition | Term |
| True or false: Thermal energy naturally flows from cooler matter to warmer matter. | |
| Method of separating mixtures that could separate salt from a salt water solution | |
| A substance made of two or more elements that are chemically combined in a set ratio | |
| Rapid combination of a fuel with oxygen, producing heat, light, and new substances | |
| True or false: A change in state is an example of a chemical change. | |
| Change in which energy is absorbed | |
| The total energy of the motion of all of the particles in an object | |
| Anything that has mass and takes up space | |
| The law of conservation of _____ states that matter is neither created nor destroyed in any physical or chemical change. | |
| Use of electricity to break a compound into elements or simpler compounds | |
| A single kind of matter that is pure, meaning it always has a specific makeup | |
| A substance that cannot be broken down into any other substances | |
| Two or more substances that are together in the same place, but their atoms are not chemically bonded | |
| Solids can be separated from liquids by pouring the mixture through a filter in this method of separating mixtures | |