Chapter 7 Science Vocabulary

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The amount of force exerted on a certain area​ (a)  

• pressure
• Archimedes’ principle
• buoyant force
• Pascal’s principle
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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A submerged object is pushed upward by a force equal to the weight of the fluid it displaces​ (a)  

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Pascal’s principle
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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The upward force exerted by a fluid (a)  

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Pascal’s principle
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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Pressure is transferred equally throughout a fluid in all directions (a)  

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Pascal’s principle
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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A system that uses fluids to increase or transfer forces (a)  

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Hydraulic system
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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The force exerted by air (a)  

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Hydraulic system
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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Pressure decreases as a fluid speeds up (a)  

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Hydraulic system
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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An object whose shape contributes to lift (a)  

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Hydraulic system
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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(a)   the force that pushes an aircraft up

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Hydraulic system
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• lift
• weight

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The downward force on an object caused by gravity​ (a)  

• Archimedes' principle
• Archimedes’ principle
• buoyant force
• Hydraulic system
• hydraulic system
• air pressure
• Bernoulli’s principle
• airfoil
• weight