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CHAPTER 3
VOCABULARY OF CHAPTER 3
15
Science
6th Grade
10/24/2007

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Term
PRESSURE  
Definition
THE FORCES THAT EXIST IN FLUIDS ARE CAUSED BY THE MASS AND MOTION OF THE PARTICLES MAKING UP THE FLUID.
Term
WRIGHT BROTHERS  
Definition
CREATED THE FIRST POWERED CONTROLLABLE AIRCRAFT.
Term
NEWTON  
Definition
UNIT OF FORCE.
Term
THE AMOUNT OF FORCE OF AIR PRESSURE AT SEA LEVEL.
Definition
1013 GRAMS PER SQUARE CM.
Term
HOMEOSTASIS
Definition
FLUIDS WILL ALWAYS MOVE FROM AN AREA OF HIGH PRESSURE TO AN AREA OF LOW PRESSURE.
Term
PRESSURE IN A FLUID
Definition
DUE TO THE FORCE OF GRAVITY, THE PRESSURE OF ANY FLUID VARIES WITH ITS DEPTH.
Term
THE HIGHER THE ALTITUDE, THE _____________ THE AIR PRESSURE.
Definition
LOWER
Term
THE DEEPER IN A FLUID, THE _________________ THE PRESSURE.
Definition
HIGHER
Term
FLUID
Definition
GAS OR LIQUID............EXAMPLES AIR, WATER, CARBON DIOXIDE, VINEGAR
Term
ARCHIMEDES' PRINCIPLE
Definition
THE BUOYANT FORCE ON AN OBJECT IS EQUAL TO THE WEIGHT OF THE FLUID DISPLACED BY THE OBJECT.
Term
FOR AN OBJECT TO FLOAT IN WATER IT MUST BE ___________ THAN WATER.
Definition
LESS DENSE
Term
1 g/ml
Definition
DENSITY OF PURE WATER
Term
.9 g/ml
Definition
DENSITY OF WATER ICE
Term
D = M/V
Definition
FORMULA FOR CALCULATING DENSITY.
Term
BERNOULLIS' PRINCIPLE
Definition
THE PRESSURE IN A MOVING STREAM OF FLUID IS LESS THAN THE PRESSURE IN THE SURROUNDING FLUID.
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