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Quarter 3 Vocab

Chapter 7, 8, 15, 16

QuestionAnswer
Circuit Closed conducting loop through which an election current can flow.
Conductor Material, such as copper wire, in which eletrons can move easily.
Electric Current The net movement of electric charges in a single direction, measured in amperes.
Insulator Material in which electrons are not able to move easily.
Parallel Circuit Circuit in which electirc current has more than one path to follow.
Series Circuit Circuit in which electric current has only one path to follow.
Alternating Current Electrie current that reverses its direction of flow in a regular pattern.
Direct Current Electric current that flows in only one direction
Chemical Change Change of one substance into a new substance.
Chemical Properties Any characteristic of a substance, such as flammability, that indicates whether it can undergo a certain chemical change.
Compound Substance formed from two or more elements in which the exact combination and proportion of elements is always the same.
Element Substance with atoms that are all alike.
Physical Change Any change in size, shape, or state of matter in which the identity of the substance remains the same.
Physical Properties Any characteristic of a material, such as size or shape, that you can observe or attempt to observe with out changing the identity of the material.
Boyle's Law A law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.
Charle's Law Density of an ideal gas at constant pressure varies inversely with the temperature.
Pascal Principle A change in pressure at any point in an enclosed fluid at rest is transmitted undiminished to all points in the fluid.
Bernoulli's Principle The principle in hydrodynamics that an increase in the velocity of a stream of fluid results in a decrease in pressure.
Archimedes Principle in physics, buoyancy is an upward acting force, caused by fluid pressure, that opposes an object's weight.
Kinetic Theory Explanation of the behavior of molecules in matter; states that all matter is made of consstantly moving particles that collide without losing energy.
Created by: maurisio
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