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Ch 12 vocab


Fluid A substance that has no fixed shape and yields easily to external pressure; a gas or (esp.) a liquid.
Archimedes Principle a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced fluid.
Buoyant The tendency or capacity to remain afloat in a liquid or rise in air or gas. The upward force that a fluid exerts on an object less dense than itself.
Elasticity the tendency of a body to return to its original shape after it has been stretched or compressed
Specific Heat The heat required to raise the temperature of the unit mass of a given substance by a given amount
Amorphous Without a clearly defined shape or form.
Crystalline Having the structure and form of a crystal; composed of crystals.
Strength Physical power and energy:
Bernoulli's Principle The principle in hydrodynamics that an increase in the velocity of a stream of fluid results in a decrease in pressure.
Density The degree of compactness of a substance: "bone density".
Malleability the property of being physically malleable; the property of something that can be worked or hammered or shaped without breaking.
Brittleness firm but easily broken.
Ductility the malleability of something that can be drawn into threads or wires or hammered into thin sheets.
Pressure The continuous physical force exerted on or against an object by something in contact with it.
Created by: taydiebear