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Quarter Review

Physical Science

QuestionAnswer
Closed conduction loop through which an electric current can flow. Circuit
Material,such as copper wire, in which electrons can move easily. Conductor
The net movement of electric charges in a single direction, measured in amperes. Electric Current
Material in which electrons are not able to move easily, and material in which heat flows slowly. Insulator
Circuit in which electric current has more than one path to follow. Parallel Circuit
Circuit in which electric current has only one path to follow. Series Circuit
Electric current that reverses its direction of flow in a regular pattern. Alternating Current
Electric current that flows in only on direction. Direct Current
Change of one substance into a new substance. Chemical Change
Any characteristic of a substance, such as flammability, that indicates whether it can undergo a certain chemical change. Chemical Properties
Substance formed from two or more elements in which the exact combination and proportion of elements in always the same. Compound
Substance with atoms that are all alike. Element
Any change in size, shape, or state of matter in which the identify of the substance remains the same. Physical Change
Any characteristic of a material, such as size or shape, that you can observe or attempt to observe without changing the identify of the material. Physical Properties
If you decrease the volume of a container of gas and hold the temperature constant, the pressure of the gas will increase. Boyle's Law
The volume of a gas increase with increasing temperature, as long as pressure does not change. Charles's Law
Pressure applied to a fluid's is transmitted throughout the fluid. Pascal Principle
AS the velocity of a fluid increase, the pressure exerted by the fluid decreases. Bernoulli's 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 Archimedes Principle
Explanation of the behavior of molecules in matter; states that all matter is made of constantly moving particles that collide without losing energy. Kinetic Theory
Created by: Noemi716
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