20 word sci test vocab charter 8
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20 terms
Terms | Definitions |
|---|---|
 Archimedes principle | The Greek mathmatician Archimedes stated that the buoyant force on an object in a fluid equal to the weight of the fluid displaced by the object |
| Bernoulli's principle | The Swiss scientist stated that as the velocity of a fluid increases the pressure exerted by the fluid decreases |
| Boyle laws | British scientist stated that the volume of gas decreases when the pressure increases provided the temperature stays the same |
| Buoyant force | Ability of a fluid to exert an upward force on an object immersed in the fluid |
| Charles law | French scientist stated that volume of gas increases when temperature increases provided the pressure stay the same |
| Condensation | The change of a substance from a has to a liquid which usually takes place when a gas is cooled to or below its boiling point |
| Crystal | In most solids the arrangement of particles in repeating geometric patterns |
| Evaporation | The gradual change of a substance from a liquid to a gas at temperature below boiling point |
| Heat of fusion | The amount of energy needed to change a material from the solid to a gas |
| Heat of vaporization | The amount of energy needed to change material form a liquid to a gas |
| Kinetic theory of matter | The idea that all matter is made up of constantly moving tiny particles |
| Pascal | The SI of pressure |
| Pascal principle | French scientist stated that pressure applied to the fluid is transmitted in change through the fluid |
| Plasma | A gas like mixture of charged particles that exists at extremely high temperatures |
| Polluted water | Water that contains high levels of unwanted substances that may be harmful to living things |
| Pressure | The amount of force exerted per unit of area |
| States of matter | Any of the four conditions in which matter can exist solid, liquid, gas or plasma the state if a sample of matter depends on its temperature |
| Thermal expansion | A characteristic of almost all matter that cause it to expand when heated and contracted when cooled |
| Thermal pollution | Pollution caused when waste is heat raises the temperature of the environment Thermal pollution in bodies of water can damage or destroy plants or animals that live there |
| Venturi Effect | Reduction in pressure of a fluid resulting from the speed increases as fluids are forced to flow faster through narrow spaces |
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