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Unit 1 Study Guide: Pressure, Pascal, Archimedes, Bernoulli

Total questions: 56

Worksheet time: 2hrs 41mins

Name
Class
Date
1.
What is any substance than can flow and take the shape of the container that holds it
a)
pressure
b)
fluid
c)
atmospheric pressure 
d)
density
2.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
3.
What is the amount of force per unit of area applied to an object’s surface?
a)
fluid
b)
pressure
c)
atmospheric pressure
d)
density
4.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
5.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
6.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
7.
Pressure increases when the surface area over which a force is applied increases.
a)
True
b)
False
8.
Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.
a)
True
b)
False
9.
In underwater pressure, as the depth increases, so does the pressure.
a)
True
b)
False
10.
What is the equation used to calculate density?
a)
density=volume/mass
b)
density=force/area
c)
density=mass/volume
d)
density=force/volume
11.
What is the density of water?
a)
1.0 g/cm³
b)
1.5 g/cm³
c)
2.0 g/cm³
d)
2.5 g/cm³
12.

Which of the following is an example of an object with a high density?

a)

Pillow

b)

Bowling Ball

c)

Beach Ball

13.

What is the density of an object if it has a mass of 6g and a volume of 3cm3? (Hint: Density = mass/volume)

a)

6 g/cm3

b)

3 g/cm3

c)

2 g/cm3

d)

1/3 g/cm3

14.

What is the density of an object with a mass of 3g and a volume of 1cm3? (Hint: Density = mass / volume)

a)

1/3 g/cm3

b)

3 g/cm

c)

3 g/cm3

15.

Which substance is the most dense in this picture?

a)

Vegetable Oil

b)

Dish Soap

c)

Honey

d)

Corn Syrup

16.

Compared to material A, material B has different...

a)

Density

b)

Mass

c)

Phase

d)

Shape

17.

Which of the following substances would float in water? (Hint: water has a density of 1g/cm3)

a)

gold

b)

rubber

c)

water

d)

cork

18.
The upward force exerted by a liquid on an object immersed in or floating on the liquid
a)
pressure
b)
buoyant force
c)
normal force
d)
gravity
19.
If an object weighing 50.0 N displaces a volume of water with a weight of 10.0 N, what is the buoyant force on the object?
a)
10 N
b)
60 N
c)
40 N 
d)
20 N 
20.
When the weight of an object is greater than the buoyant force, the object will ... 
a)
Sink
b)
Float 
c)
Expand
d)
Shrink
21.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
22.
What direction is the buoyant force in?
a)
Downward
b)
Left
c)
Right
d)
Upward
23.

What happens to a body when its density is equal to the density of the fluid?

a)

it floats

b)

it sinks

c)

it remains suspended

d)

None of the above

24.
Bernoulli’s principle states that the pressure in a fluid decreases as its velocity increases. 
a)
True
b)
False
25.
Bernoulli’s Principle explains how an airplane can stay aloft.
a)
True
b)
False
26.

SI unit for pressure is...

a)

watt

b)

newton

c)

joules

d)

pascal

27.

The buoyant force acting on an object is equal to the...

a)

mass of the liquid displaced by the object

b)

weight of the fluid displaced by the object

c)

mass of the solid

d)

sum of the weight of the solid and liquid displaced

28.

Pressure is

a)

Force x Area

b)

Force / Area

c)

Force + Area

29.

As a diver moves deeper in the water, the fluid pressure is...

a)

the same

b)

greater

c)

less

30.

A hydraulic system uses fluid to

a)

cause acceleration

b)

decrease air pressure

c)

multiply force

31.

As the speed of a moving fluid increases, the fluid pressure ...

a)

decreases

b)

stays the same

c)

increases

32.

What is true about letter "A"?

a)

Faster moving air

b)

Slower moving air

c)

The air is not moving

33.

What is true about letter "A"?

a)

High Pressure

b)

No air pressure

c)

Low Pressure

34.

What is true about letter "B"?

a)

Slower moving air

b)

Faster moving air

c)

Air is not moving

35.

Pressure tends to travel from _______ to _______ generating "Lift".

a)

High to Low

b)

Low to High

c)

Air pressure doesn't move at all

36.

What is this diagram showing?

a)

barometer

b)

hydraulic device

c)

displacement chamber

d)

balance scale

37.

The ship and the steel block have the same weight. Why does the ship float while the steel block sink?

a)

The ship displaces more water

b)

there is less gravity on the ship

c)

there is no air pressure on the ship

38.

Which principle was this?

"When force is applied to a fluid, pressure is applied equally in all directions."

a)

Archimedes's

b)

Pascal's

c)

Bernoulli's

d)

Frick's

39.

What is the upward force of the larger piston in this hydraulic device? (Hint: You need to calculate pressure first. Then, use the formula to find force.)

a)

5 Newtons

b)

10 Newtons

c)

20 Newtons

d)

50 Newtons

40.
According to Bernoulli, as the speed of a fluid increases the pressure exerted by that fluid ___
a)
Decreases
b)
Disappears
c)
Increases
d)
Stays the same
41.
Due to Bernoulli's principle, the pressure is ____ above an airplane's wing than below it.
a)
Lower
b)
Higher
42.
What do we call the the amount of force exerted on a certain area?
a)
fluid
b)
pressure
c)
buoyant
43.
If you blow air between these two balloons, the pressure between the balloons would_________.
a)
Increase
b)
Decrease
c)
Stay the same
44.

Diagram 11 shows the roof of a house being lifted by strong winds. Which explains the above phenomenon?

a)

Pascal’s Principle

b)

Bernoulli’s Principle

c)

Archimedes’ Principle

d)

Newton’s First Law

45.

Diagram 9 shows a piece of paper clamped to a retort stand. When air at high velocity is blown on top of the paper, the edge of the paper

a)

will lift up

b)

will move down

c)

does not move

46.

What is a fluid?

a)

a non-solid state of matter as a gas or a liquid.

b)

A solid state of matter as an object

c)

the pressure caused by the weight of the atmosphere

47.

An object has a mass of 2.5 g and a volume of 10 mL. Will th object sink or float in water?

a)

Sink

b)

Float

c)

Suspend

48.

An object with a density of 1.5 g/mL is placed in a liquid with a density of 1.4 g/mL. Will the object sink or float?

a)

Sink

b)

Float

c)

Suspend

49.

An object has a mass of 20 g and a volume of 25 mL. Will the object sink, float or be suspended in a liquid with a density of .8 g/mL?

a)

Sink

b)

Float

c)

Suspend

50.

A student observes that ice floats in water. The student can conclude

a)

The density of ice is less than the density of water

b)

The density of ice is greater than the density of water

c)

The density of ice is equal to the density of water

51.

In which direction is fluid pressure directed?

a)

Up

b)

Down

c)

Sideways

d)

In all directions

52.

A helium-filled balloon will float in air because…

a)

There is more air than helium

b)

Helium is less dense than air

c)

Helium is as dense as air

d)

Helium is more dense than air

53.

Which of the following would not affect the level at which a cargo ship floats in a body of water?

a)

The depth of the water

b)

The mass of the ship’s cargo

c)

The volume of the ship

d)

The density of the ship’s material

54.

Fluid pressure increases as depth increases.

a)

True

b)

False

55.

You can change density of an object by changing the object’s volume.

a)

True

b)

False

56.

You can change density of an object by changing the object’s mass.

a)

True

b)

False

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