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5th grade science
CMS science EOG definitions
| Term | Definition |
|---|---|
| Conduction | Heat transfer through direct cantact |
| Convection | Heat transfer through a liquid or gas |
| Radiation | Heat transfer through open space using infrared rays |
| Conductor | A material that moves heat well |
| Insulator | A material that does not move heat well |
| Temperature | The measurement of hot or cold something is |
| Heat | How fast molecules are moving |
| Sun | The driving force of the water cycle |
| Evaporation | The slow changing of liquid into gas |
| Transperation | The loss of water through plants leaves |
| Codensation | Changing of gas to a liquid |
| Precipitation | Any form of water particles that falls from the atmosphere and reaches the ground |
| Run Off | Precipitation that flows across the land's surface or falls into rivers and streams |
| Matter | Anything that has mass or takes up space |
| Chemical Change | A change of matter that is creating a new substance |
| Physical Change | A change of matter in size, shape, or state without any change in identity or make-up |
| Gas | A state of matter that has no definite shape and whose molecules move freely |
| Solid | A state of matter that has no definite shape and whose molecules are closely packed |
| Liquid | A state of matter that takes the shape of it's container |
| Mixture | A physical combination of two or more substances that are blended together without making a new substance |
| Solution | A mixture of substances that are blended so completely that the mixture looks the same everywhere |
| Solute | The substance in a solution that is being dissolved |
| Property | A way to describe something |
| Closed System | When no matter can escape |
| Solvent | The substance in a solution that does the dissolving |