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IPC VOCAB 16&17
CHAPTER 16&17
| WORD | DEFINITION |
|---|---|
| matter | anything that has mass and takes up space |
| homogeneous mixture | every sample of this material is the same |
| heterogeneous mixture | two samples of this material might contain different kinds of matter |
| element | a pure substance which contains only one kind of matter |
| compound | contains two or more kinds of matter that cannnot be seperated by physical means |
| substance | a sample of matter than cannot be seperated by physical means |
| mixture | a sample of matter that contains two or more kinds of particles that can be seperated by physical means |
| meniscus | the curve formed by the surface of a liquid |
| displacement | measuring volume by placing an object in water and recording the change in water level |
| indirect measurement | calculating size of very large or small objects through use of proportional relationships |
| density | a measurement of the "compactness" of a substance; the ratio of its mass to volume |
| hardness | a measurement of how easily a solid can be scratched |
| brittleness | a measurement of how easily a solid will shatter |
| elasticity | a measure of a solid's ability to return to its original shape after it is stretched or squeezed |
| malleability | a measurement of how easily a solid can be pounded into thin sheets |
| tensile strength | a measurement of how well a solid resists breaking when it is pulled on |
| fluid | any materal that flows |
| bouyancy | the upward force of a liquid or gas upon an object immersed in it |
| Archimedes' principle | the force exerted on an object in a fluid is equal to the weight of the displaced fluid |
| viscosity | a measure of a fluid's resistance to flow |