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WorksheetsFLuid
Total questions: 17
Worksheet time: 24mins
Name
Class
Date
1.
Which state or states of matter is a fluid?
a)
gas
b)
liquid
c)
solid
d)
both gases and liquids
2.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?
a)
sink
b)
float
3.
The upward force exerted by a fluid on a submerged object.
a)
gravity
b)
anti-gravity
c)
buoyant force
d)
lift
4.
The rule that when force is applied to a confined fluid, the increase in pressure is transmitted equally throughout.
a)
pascal's principle
b)
bernoulli's principle
c)
archimedes' principle
d)
Newton's Law
5.
A system that multiplies force by transmitting pressure from a small surface area through a confined fluid to a larger surface area.
a)
hydraulic system
b)
archimedes system
c)
pressure system
d)
bernoulli effect
6.
An upward force.
a)
lift
b)
gravity
c)
life
d)
drag
7.
Which direction does buoyant force always push?
a)
downward
b)
upward
c)
all directions
d)
sponge bob
8.
The force exerted on a surface divided by the total area over which the force is exerted. Force / surface area
a)
Net Force
b)
velocity
c)
fluid force
d)
pressure
9.
Gasses exert pressure
a)
randomly in varying directions.
b)
horizontally.
c)
evenly in all directions.
d)
vertically.
10.
Water is about 1,000 times more ___ than air and therefore exerts greater pressure than air.
a)
dense
b)
heavy
c)
buoyant
d)
fluid
11.
Fluids flow
a)
only when warmed up.
b)
from regions of low pressure to regions of high pressure.
c)
until evenly spread out.
d)
from high to low pressure.
12.
An object is buoyed up when
a)
the buoyant force is less than the object's weight.
b)
the buoyant force is greater than the object's weight.
c)
the buoyant force equals the object's weight.
d)
there is high air pressure.
13.
The brake pedal is very small but the driver is able to stop the car because when pressing on the pedal
a)
the pressure is exerted evenly through the fluid to all 4 brake pads.
b)
Pascal's principle is being demonstrated.
c)
this is hydraulics in action!
d)
all of these options.
14.
Why do solids maintain their shape, whereas fluids do not?
a)
because the molecules in solids maintain a regular pattern and move very rapidly
b)
because solids are denser than fluids
c)
because solids are under greater pressure than fluids
d)
because the molecules in solids maintain a regular pattern and only vibrate, or move very slowly
15.
Which of the following is a change that will not affect the pressure in a container?
a)
heating or cooling the fluid
b)
changing the material that the fluid´s container is made of
c)
changing the weight of the fluid
d)
increasing the volume of the fluid
16.
The pressure in a fluid is affected by which characteristic of that fluid?
a)
the amount of hydrogen atoms in the fluid
b)
the weight of the fluid
c)
the gravity of the fluid
d)
the amount of oxygen atoms in the fluid
17.
What is the equation for pressure?
a)
Pressure = Force / Surface area
b)
Pressure = Force x Surface area
c)
Pressure = Force + Surface area
d)
I have a 6 foot squirrel named Antney
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