CH 7 Definitions Flashcards

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1
Q

Define Fluids

A

Materials that have no fixed shape and are free to flow, such as liquids and gases

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2
Q

Define Particle Theory Of Matter

A

A theory that explains what matter is made of and how it behaves

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3
Q

Define Laminar Flow

A

A smooth pattern of flow

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4
Q

Define Turbulent Flow

A

An irreguar, mixing flow pattern

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5
Q

Define Eddy

A

An area of slower-moving fluid that occurs behind an obstacle

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6
Q

Define Streamlined

A

A smooth shape designed to decrease resistance to fluid flow

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7
Q

Define Flow Rate

A

A measure of how quickly fluids move; measured in a volume per unit time (for example, L/s)

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8
Q

Define Viscosity

A

A measure of how easily a fluid’s particles are able to slide past one another

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9
Q

Define Cohesion

A

A measure of how strongly the particles of a fluid attract each other

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10
Q

Define Surface Tension

A

The strong attraction among the particles that form the surface of a liquid

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11
Q

Define Adhesion

A

The attraction between the particles of one substance and the particles of another substance

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12
Q

Define Fluid Mechanics

A

The study of fluids and how they behave when at rest and when moving

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13
Q

Define Fluid Dynamics

A

A part of the study of fluid mechanics concerned with how fluids move

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14
Q

Define Aerodynamics

A

A part of fluid dynamics concerned with how gases move

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15
Q

Define Hydrodynamics

A

A part of fluid dynamics with how liquids move

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