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Ch 2 Vocab
science
| Term | Definition |
|---|---|
| Pure Substance | matter that always has the same composition |
| Element | A substance that cannot be further broken down |
| Compound | A substance made of two or more simpler substances |
| Heterogeneous Mixture | Noticeably different parts of a substsance |
| Homogeneous Mixture | Two substances so evenly distributed that it's difficult to distinguish between the two |
| Suspension | A heterogeneous mixture that separates into layres over time |
| Colloid | Contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspention |
| Physical Property | Any physical characteristic of a material that can be observed without changing the composition of the substance |
| Viscosity | The tenancy of a liquid to keep from flowing |
| Conductivity | The ability of a material to allow heat to flow |
| Malleability | The ability of a solid to be hammered without shattering |
| Melting Point | The point at which a substance changes form a solid to a liquid |
| Boiling Point | The point at which a liquid boils or becomes a gas |
| Filtration | A process that separates substances based on the size of their particle |
| Distillation | A process that separates substances based on their boiling point |
| Physical Change | Occurs when a physical property of a substance changes but the substance it's self stays the same |
| Chemical Property | The ability to produce a change in the composition of a substance |
| Flammability | A material's ability to burn in the presence of oxygen |
| Chemical Change | A change in the composition of a substance |
| Precipitate | Any solid that forms and seperates from a liquid |
| Pure Substance | matter that always has the same composition |
| Element | A substance that cannot be further broken down |
| Compound | A substance made of two or more simpler substances |
| Heterogeneous Mixture | Noticeably different parts of a substsance |
| Homogeneous Mixture | Two substances so evenly distributed that it's difficult to distinguish between the two |
| Suspension | A heterogeneous mixture that separates into layres over time |
| Colloid | Contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspention |
| Physical Property | Any physical characteristic of a material that can be observed without changing the composition of the substance |
| Viscosity | The tenancy of a liquid to keep from flowing |
| Conductivity | The ability of a material to allow heat to flow |
| Malleability | The ability of a solid to be hammered without shattering |
| Melting Point | The point at which a substance changes form a solid to a liquid |
| Boiling Point | The point at which a liquid boils or becomes a gas |
| Filtration | A process that separates substances based on the size of their particle |
| Distillation | A process that separates substances based on their boiling point |
| Physical Change | Occurs when a physical property of a substance changes but the substance it's self stays the same |
| Chemical Property | The ability to produce a change in the composition of a substance |
| Flammability | A material's ability to burn in the presence of oxygen |
| Chemical Change | A change in the composition of a substance |
| Precipitate | Any solid that forms and seperates from a liquid |
Created by:
HBain
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