Fluid

The pressure in a fluid is affected by which characteristic of that fluid?

• the amount of hydrogen atoms in the fluid

• the weight of the fluid

• the gravity of the fluid

• the amount of oxygen atoms in the fluid

If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  

• sink

• float

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

• Lower

• Higher

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

Water pressure increases as depth increases. 

• True

• False

The term fluids generally applies to:

• solid and liquid

• liquid and gas

• solid and plasma

• water only

Tags

NGSS.MS-PS1-4

Which statements below is INCORRECT about liquids and gases?

• Liquids possess greater kinetic energy than gases.

• Gases have weak molecular force of attraction while liquids have a moderate force of attraction.

• Liquids have a definite size where gases can expand to fill any closed container.

• Gases are easily compressed where liquids are not.

What is the secret of how a ship floats?

• its size 

• its hollow shape 

• the amount of cargo it carries

• number of passengers on board

Tags

NGSS.MS-PS2-1

When liquid water changes into steam it is:

• evaporating.

• condensing.

• melting.

• dissolving.

Tags

NGSS.MS-PS1-4

What is the primary factor that determines whether an object will float or sink in a fluid?

• The object's color

• The object's density

• The fluid's temperature

• The fluid's color