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5th Grade Unit 1
| Term | Definition |
|---|---|
| conductor | a substance that allows energy to flow through it easily |
| dissolving | the process by which substances break down into small pieces and spread evenly throughout a liquid |
| electrical energy | energy that is absorbed or delivered by an electric current |
| gas | state of matter that takes the shape and volume of its container |
| insulator | a material that does not allow energy to flow through it easily |
| liquid | state of matter that takes the shape of its container but its volume stays the same |
| magnetism | a force that causes a magnetic material to move (attract or repel) |
| mass | that amount of matter in something |
| mixture | a combination of two or more substances that keep their original physical properties |
| physical properties | properties of matter that can be observed, measured, or changed without changing the matter itself |
| relative density | floating or sinking when compared to water |
| solid | state of matter that keeps its own shape and volume |
| solubility | the ability of a substance to dissolve in another substance, such as sugar dissolving in water |
| solution | combination of two or more substances in which at least one substance dissolves into another substance |
| state of matter | solid, liquid, and gas |
| thermal energy | energy of heat |