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Muench SciVocab 1
Muench Vocab -- Properties of Matter
| Question | Answer |
|---|---|
| Matter | Anything that has volume and mass. |
| Volume | The amount of space taken up by an object. |
| It is considered a green house gas, protecting us from damaging sun rays, effects are usually local than Global. | OZONE |
| Mass | The amount of matter that something has. Always constant, wherever the object is in the universe. Expressed in kilograms. |
| Gravity | The force of attraction between two objects, determined by mass and distance. |
| Weight | Measure of gravitational force exerted on an object. Varies depending on nearness to a large object and that object's mass. Expressed in Newtons. |
| Newton | A measurement of force. |
| Inertia | The tendency of objects to resist change in motion. |
| Physical property | Can be observed without changing the identity of matter. |
| Density | The amount of matter in a given volume: D=m/v |
| Chemical property | Describe a substance based on its ability to change into a new substance with different properties. Ex.: Wood can burn. |
| Physical change | A change in physical properties of a substance. Ex.: Breaking something in two or melting or dissolving something. |
| Chemical change | When one or more substances change into new substances with new properties. Ex.: When wood burns, it changes to smoke and ash. |