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| An instrument for measuring temperature. |
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| An instrument for determining the specific gravity of a liquid and hence its strength. |
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| a longitudinal wave in an elastic medium, especially a waveproducing an audible sensation. |
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| An instrument that measures the preasure of the atmosphere to determine probable weather. |
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| 1000 watts. Kilowatt-hour = a unit of work of energy to that wxpended by one kilowatt in one hour and equal to 3.6 million joules |
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Contamination of air by smoke and harmful gases, mainly oxides ofcarbon, sulfur, and nitrogen. |
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| The rate of change of Velocity with respect to time; change in velocity. |
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Any of numerous, highly varied organicmolecules constituting a large portion of the mass of everylife form and necessary in the diet of all animals and othernonphotosynthesizing organisms, composed of 20 or moreamino acids linked in a genetically controlled linear sequenceinto one or more long polypeptide chains, the final shape andother properties of each protein being determined by theside chains of the amino acids and their chemicalattachments: proteins include such specialized forms ascollagen for supportive tissue, hemoglobin for transport,antibodies for immune defense, and enzymes for metabolism. |
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| Measuring and Measurements |
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| Measuring ensures uniformity in products. Measurements are comparisons to a standard. |
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| Measure of how easily a substance becomes vapor. |
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| Mercury oxide, also called mercuric oxide or simply mercury oxide, has a formula of HgO. It has a red or orange color. Mercury(II) oxide is a solid at room temperature and pressure. The mineral form montroydite is very rarely found. |
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| The watt (symbol: W) The unit, defined as one joule per second, measures the rate of energy conversion. |
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| A hard yellowish partly transparent resin form trees long dead that can be highly polished and is used for ornamental objects (as beads). |
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Usually the term refers to the six classical simple machines which were defined by Renaissance scientists:
Lever
Wheel and axle
Pulley
Inclined plane
Wedge
Screw
These simple machines fall into two classes: (i) the inclined plane, wedge, screw characterized by the vector resolution of forces and movement along a line, and (ii) the lever, pulley, wheel and axle characterized by the equilibrium of torques and movement around a pivot.
A simple machine is an elementary device that has a specific movement (often called a mechanism), which can be combined with other devices and movements to form a machine. The view of machines as decomposable into simple machines arose in the Renaissance as an interpretation of Greek texts on technology.
Simple machines are considered to be the "building blocks" of more complicated machines. For example, wheels, levers, and pulleys are all used in the mechanism of a bicycle. |
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| mohorovicic Discontinuity (moho) |
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| Absolute and relative humidity |
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| Conductors of Electricity |
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1. Talc
2. Gypsum
3. Calcite
4. Fluorite
5. Apatite
6. Orthoclase, Felspar
7. Quartz
8. Topaz
9. Corundum
10. Dimond |
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