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Matter Test
| Question | Answer |
|---|---|
| Mixture | no chemical change, each material keeps its own properties, can be separated |
| Solution | groups of molecules that are mixed in a completely even distribution. A solute dissolved in a solvent |
| Solute | the substance being dissolved |
| Solvent | the substance doing the dissolving |
| Matter | anything that has mass and takes up space |
| Atoms | the building block of all matter |
| Molecule | two or more atoms are joined together chemically. Elements can be different or the same |
| Compound | a molecule that has two or more different elements bonded together |
| Heterogeneous | parts do not combine completely or evenly, different parts are visible |
| Homogeneous | uniform distribution |
| Endogonic/endergonic | energy is needed to make the reaction happen example: photosynthesis |
| Exogonic/exergonic | energy is given off example: fireworks |
| Chemical reaction | heat, light, sound, precipitate, or electricity is produced when mixed or allowed to combine |
| Chemical change | substance changes into something new, new identity |
| Physical change | changing the size, state of matter, or shape of an object |
| Physical Property | Describing the state of matter, size, shape, color of an object, the attributes of the object |
| Chemical property | the ability for the object to undergo a reaction with another substance |