Date post: | 17-Jan-2016 |
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States of MatterStates of Matter
FluidsFluids
ActivtyActivty
Will it float?Will it float? RockRock PotatoPotato Paper clipPaper clip PenPen PencilPencil CoinCoin CandleCandle EraserEraser
ObjectivesObjectives DescribeDescribe the buoyant force and explain the buoyant force and explain
how it keeps objects afloat.how it keeps objects afloat.
DefineDefine Archimedes’ principle. Archimedes’ principle.
ExplainExplain the role of density in an object’s the role of density in an object’s ability to float.ability to float.
StateState and apply Pascal’s principle. and apply Pascal’s principle.
StateState and apply Bernoulli’s principle. and apply Bernoulli’s principle.
DescribeDescribe the buoyant the buoyant force and explain how it force and explain how it
keeps objects afloat.keeps objects afloat.
DefineDefine Archimedes’ Archimedes’ principle.principle.
PressurePressure
Pressure = force / area = F / A
Units = Newton per square meter = pascal
Buoyant Force
BuoyancyUSS Dwight D. Eisenhower
Aircraft Carrier
Dimensions Length of flight deck:
1,092 ft. Width of flight deck: 252 ft. Height keel to mast: 244 ft.
(equal to 24-story building) Area of flight deck: 4.5
acres Weight of carrier: 95,000
tons
Archimedes’ Principle
Archimedes’ Principle
Explain Explain the role of density the role of density in an object’s ability to float.in an object’s ability to float.
Density and Floating
Density and Floating
Density and Floating
MythbustersMythbusters
http://videos.howstuffworks.com/discovery/6540-mythbusters-lets-talk-buoyancy-video.htm
State and applyState and apply Pascal’s Pascal’s principle.principle.
Pascal’s Principle
F1 / A1 = F2 / A2
State and applyState and apply Bernoulli’s Bernoulli’s principle.principle.
Bernoulli’s Principle