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Physical Science Chapter 15
Flash cards for Chapter 15 Science Test in Mrs. Jackson's Freshman Physical Science Class
16
Science
9th Grade
03/29/2011

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Term
Fluids
Definition
Liquid or gas phases of matter
Term
Fluid Mechanics
Definition
the study of fluid movement and forces
Term
Pressure
Definition
the force pushing directly on a given surface
Term
Pascal(Pa)
Definition
unit of pressure equal to one newton of force over a square meter (N/m x m)
Term
Pascal's Principle
Definition
pressure changes in a confined fluid are distributed equally in all directions throughout the fluid
Term
hydraulic machines
Definition
machines which use fluid to transmit or increase force
Term
Archimedes' Principle
Definition
an immersed object is buoyed up by a force equal to the weight of the fluid displaced
Term
Bernoulli's Principle
Definition
the pressure of a fluid decreases as its speed increases
Term
Boyle's Law
Definition
the volume of a dry gas is inversely proportional to the pressure, assuming that the temerature remains constant. When the pressure goes up, the volume goes down.
Term
Barometer
Definition
a device used to measure atmospheric pressure
Term
Charles' Law
Definition
If the pressure on a dry gas is kept constant, its volume will be in direct proportion to its Kelvin temperature. The hotter the gas becomes, the greater its volume will be.
Term
What is the equation for Charles' Law?
Definition
V1/T1=V2/T2
Term
What is the equation for Boyle's Law?
Definition
P1V1=P2V2
Term
What is the equation for COMPARING Pressure?(like if you were comparing the pressure of a book and you put it in different positions)
Definition
F1/A1=F2/A2 Where F=Force and A=Area
Term
What is the formula for CALCULATING Pressure?
Definition
P=F/A
Term
What is Pressure measured in?
Definition
Pascals or millibars/bars
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