fluids

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

If an object sinks in a fluid, _____.

• the density of the fluid is greater than the density of the object
• the density of the fluid is less than the density of the object
• the density of the fluid is equal to the density of the object
• density has nothing to do with whether an object sinks or floats, only which state of matter the object is

What do we call the the amount of force exerted on a certain area?

• fluid

• pressure

• buoyant force

• normal force

The upward force exerted by a fluid is called the...

• buoyancy force

• density force

• fluidity force

• normal force

Water pressure increases as depth increases. 

• True
• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS2-4

When pressure is applied to a confined fluid, the increase in pressure is transmitted equally to all parts of the fluid. This fact is called________.

• Pascal's Principle
• Newton's Principle
• Archimedes' Principle
• Bernoulli's Principle

Which principle do airplanes take advantage of to fly?

• Archimedes' Principle

• Bernoulli's Principle

• Pascal's Principle

Due to Bernoulli's principle, the pressure is ____ above an airplane's wing than below it.

• Lower
• Higher

A unit of pressure is called a

• bernoulli

• pascal

• pound

• meter

One application of Pascal's principle is

• a hydraulic car lift

• the flight of an airplane

• a speedboat's bottom slapping against the waves

• the buoyancy shown by ducks and other waterfowl