The rate of flow of fluids
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| Viscosity | a measure of how easily a fluid particles are able to silde past one another
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| Fluids | materials that have no fixed shape and free to flow, such as liquids and gases
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| Particle Theory Of Matter | a theory that helps explain what matter is made of
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| Laminar Flow | a smooth pattern of flow
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| Turbulent Flow | an irregular, mixing flow pattern
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| Eddy | an area of slower-moving fluid that occurs behind an obstacle
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| Streamlined | a smooth shape designed to decrease resistance to fluid flow
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| Flow Rate | a measure of how quickly fluids move; measured in a volume per unit time
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| Cohesion | a measure of how strongly the particles of a fluid attract each other
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| Surface Tension | the strong attraction among the particles that form the surface of a liquid
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| Adhesion | the attraction between the particles of a substance and the particles of another substance
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| Fluid Mechanics | the study of fluid and how they behave when at rest and when moving
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| Fluid Dynamics | a part of the study of fluid mechanics concerned with how fluids move
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| Aerodynamics | a part of fluid dynamics concerned with how gases move
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| Hydrodynamics | a part of fluid dynamics concerned with how liquids move
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| Oxygen | releasing energy from food
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| Blood | acts as a transport system to take materials to cells as well as gather wastes from cells
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| Sweat | cools the body
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| Saliva | lubricates food for swallowing and begins chemical digestion
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| Urine | eliminates dissolved wastes from the body
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| Stomach Acid | Aids chemical digestion of food
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| State the particle theory | • all matter is made of tiny particles
• particles have empty spaces between them
• particles are moving randomly all the time
• particles move faster and spread farther apart when they are heated
• particles attract each other
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| Factors of flow rate 1 | the type of fluid that is flowing (thin fluids flow faster than thick fluids)
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| Factors of flow rate 2 | the force pushing on the fluid (stronger forces produce faster flow)
rates)
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| Factors of flow rate 3 | the size of the pipe or opening the fluid is flowing through (larger opening means lower flow rate)
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| Factors of flow rate 4 | the type of surface over which the fluid is flowing (smooth surfaces
allow for faster flow)
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