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Science > Quiz 6 > Flashcards

Quiz 6 Flashcards

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1
Q

What is greater he deeper you go

A

Atmospheric pressure

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2
Q

An empty space with no matter

A

Vacuum

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3
Q

A device used to measure air pressure

A

Barometer

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4
Q

Scientists who study weather

A

Meteorologists

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5
Q

Uses an air tight metal box with thin flexsble walls to measure pressure

A

Aneroid barometer

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6
Q

A device used to measure altitude

A

Altimeter

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7
Q

Generate a low pressure regioninside the cleaner

A

Vacuum cleaner

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8
Q

The botany forceexperienced by an object is exactly equal to the weight of the displaced

A

Archimedes

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9
Q

The tendency of a solid object to float whenplaced in a fluid

A

Buoyancy

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10
Q

One device used to measure the specific gravity of a liquid

A

Hydrometer

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11
Q

The submarine is completely underwater not not sinking

A

Neutral buoyancy

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12
Q

Pressure exerted by a moving fluid decreased as the fluids speed increases

A

Bernoulli’s principal

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13
Q

A structure that changes the flow of air to produce a force

A

airfoil

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14
Q

The upward force

A

Lift

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15
Q

The force that projects a plane forward through the air

A

Thrust

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16
Q

The force hat tends to slow an object

A

Drag

17
Q

Usually located on small winglike horizontal stabilizers near the rear of the aircraft

A

Elevators

18
Q

Tilts the plane from side to side

A

Ailerons

19
Q

Located on the beeticka stabilizer

Controls angle left or right

A

Rudder

20
Q

Increase the wing area and adjust the airfoil shape to provide more lift

A

Flaps

21
Q

Increases lift at slow speeds by altering the airfoil

A

Slats

22
Q

The science of shaping objects to allow the smooth flow of fluids around them and reduce drag

A

Streamlining

23
Q

An airfoil like structure designed to be used in water

A

Hydrofoil

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