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Phy Sci chapter 3
Physical Science chapter 3
| Question | Answer |
|---|---|
| Measurable properties of matter & energy – examples length, mass, time & volume | dimensions. |
| Amount of matter in an object | mass. |
| How close a measurement is to the actual value | accuracy. |
| The exactness of a measurement | precision. |
| Space enclosed or occupied by an object | volume. |
| System of measurement based on multiples of 10 | metric system. |
| Comparison of a dimension of an object or substance to an appropriate standard, usually an instrument with a calibrated scale | measurement. |
| Amount of matter contained in a specific volume | density. |
| The process of multiplying your starting quantity and units by one or more conversion factors | dimensional analysis. |
| The curved surface of liquid in a container | meniscus. |
| Known quantity for a unit that everyone agrees to use for comparison | standard. |
| Artificial device for measuring | instrument. |
| The measure of the earth’s gravity acting on the matter in an object | weight. |
| Measure length in | meters. |
| Measure mass in | kilograms. |
| Measure time in | seconds. |
| Measure electric current in | ampere. |
| Measure temperature | Kelvin. |
| Amount of substance is measured in | mole. |
| Measure intensity of light | candela. |