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Pressure

Total questions: 133

Worksheet time: 2hrs 44mins

Name
Class
Date
1.
Which of the following would increase the pressure on a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
2.

How do you Calculate Pressure

a)

Force(N)/Area(m2)

b)

Force(kg)/Area(mi2)

c)

Area(m2)/Force(N)

3.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
4.
Taking energy away from a substance will make its particles move
a)
more slowly
b)
more quickly
c)
at the same speed
5.

Kinetic theory of matter states that...

a)

particles in an object are always moving.

b)

solids can only become liquids.

c)

solids can condense to liquids

6.
_____________ occurs when warm air rises and is replaced by cooler air
a)
convection
b)
                                                                                                                  conduction                  
c)
radiation
7.
Which of the following is NOT a form of heat transfer?
a)
decay
b)
conduction
c)
convection
d)
radiation
8.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
9.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
10.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
11.
This graph is an example of two variables that are:
a)
directly proportional
b)
inversely proportional
c)
Straight line
d)
No relation
12.

Which best explains why increasing the pressure on a gas decreases the volume of the gas sample?

a)

Increasing the pressure causes the gas particles to hit the container walls more often.

b)

Increasing the pressure on a gas sample moves the gas particles closer together.

c)

Increasing the pressure on a gas sample causes the kinetic energy to increase.

13.

The lead-acid cell is an example of which of the following types of cells

a)

The dry cell

b)

The primary cell

c)

The voltaic cell

d)

The secondary cell

14.

With respect to recharging a primary or secondary cell, of the following statements, which one is correct?

a)

The secondary cell can be recharged by passing current through it in the proper direction

b)

The primary cell can only be recharged by changing the electrolyte

c)

The primary cell can be recharged by passing current through it in the proper direction

d)

The secondary cell can only be recharged by changing the electrodes

15.
Army tank tracks are useful for travelling through the mud because..
a)
they decrease the force the vehicle exerts on the ground
b)
they increase the force the vehicle exerts on the ground
c)
they decrease the pressure the vehicle exerts on the ground
d)
they increase the pressure the vehicle exerts on the ground
16.
Which of these animals would probably cause the greatest pressure on the ground?
a)
A fat cow with big feet
b)
A fat cow with small feet
c)
 A calf with big feet
d)
A calf with small feet
17.
Where would you find the largest pressure?
a)
At the bottom of the ocean
b)
At the top of Mt Everest
c)
Close to ground on the Scotch oval
d)
In a rockpool on the Great Barrier Reef
18.
What is the difference between particles in a gas and a solid?
a)
gas particles are closer together
b)
solid particles move faster than gas particles
c)
solid particles expand on heating
d)
gas particles have more kinetic energy than solid particles
19.
The amount of force pushing on an area is the definition of....
a)
Fluid
b)
Viscosity
c)
Barometer
d)
Pressure
20.
Which of the statements is true?
a)
The bottom of the boot exerts more pressure than the shoe as a result of an increase in surface area.
b)
The bottom of the shoe exerts more pressure than the boot as a result of an decrease in surface area.
c)
The bottom of the shoe exerts the same pressure as the bottom of the boot.
21.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
22.
Look at the pressure triangle. How do we calculate the force?
a)
f ÷ a
b)
f x p
c)
p x a
d)
f ÷ p
23.
Convert 10 kg to Newtons
a)
0.098 N
b)
4.5 N
c)
100 N
d)
98 N
24.
Pressure is measured in what units
a)
Newtons
b)
m/s
c)
Pascals
d)
Moles
25.
Pressure is equal to force divided by what
a)
area
b)
mass
c)
time
d)
distance
26.
Pressure can be measured in Pascales (Pa) or Newtons per square metre.
1 Pa = 1N/m2
a)
True
b)
False
27.
What does pressure measure?
a)
Strength
b)
Force exerted on a given area of surface
28.
How can we increase the gas pressure inside a sealed container?
a)
Increase the number of particles inside the container
b)
Increase the temperature
c)
Decrease the volume of the container
d)
All of these
29.
A person wearing steel toe capped boots and a person wearing stilleto heels stand on a wooden floor. They both have the same weight. Which person exerts a greater pressure on the floor?
a)
The person wearing the boots because the boots have a larger surface area in contact with the floor
b)
The person with the stiletto heels because they have a larger surface area in contact with the floor
c)
The person wearing the boots because the boots have a smaller surface area in contact with the floor 
d)
The person with the stiletto heels because they have a smaller surface area in contact with the floor
30.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
31.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
32.
Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.
a)
True
b)
False
33.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

34.
What decreases as you go up in the atmosphere?
a)
Altitude
b)
Atmosphere
c)
Meteors
d)
Air Pressure
35.

An object will float on water if it is

a)

less dense than water.

b)

more dense than water.

c)

the same density as water.

36.
Buoyancy is the tendency for objects to float in a fluid. Buoyancy pushes the opposite direction of...
a)
waves push.
b)
magnetic pull.
c)
the wind.
d)
gravity's pull
37.

A 20N weight is hung from a spring balance which reads 17N when it is completely submerged in water. What is the upthrust of the body of water?

a)

37N

b)

20N

c)

17N

d)

3N

38.

Why does an object sink?

a)

Weight is bigger than upthrust

b)

Weight is smaller than upthrust

39.
What is the anticlockwise moment acting on this crane?
a)
80,000Nm
b)
100,000Nm
c)
120,000Nm
d)
140,000Nm
40.
The amount of force pushing on an area is the definition of....
a)
Fluid
b)
Viscosity
c)
Barometer
d)
Pressure
41.
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
a)
40 N/cm2
b)
100 N/cm2
c)
400 N/cm2
d)
10 N/cm2
42.
Army tank tracks are useful for travelling through the mud because..
a)
they decrease the force the vehicle exerts on the ground
b)
they increase the force the vehicle exerts on the ground
c)
they decrease the pressure the vehicle exerts on the ground
d)
they increase the pressure the vehicle exerts on the ground
43.
Which of these animals would probably cause the greatest pressure on the ground?
a)
A fat cow with big feet
b)
A fat cow with small feet
c)
 A calf with big feet
d)
A calf with small feet
44.
Where would you find the largest pressure?
a)
At the bottom of the ocean
b)
At the top of Mt Everest
c)
Close to ground on the Scotch oval
d)
In a rockpool on the Great Barrier Reef
45.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
46.
Look at the pressure triangle. How do we calculate the force?
a)
f ÷ a
b)
f x p
c)
p x a
d)
f ÷ p
47.
Convert 10 kg to Newtons
a)
0.098 N
b)
4.5 N
c)
100 N
d)
98 N
48.
Pressure is measured in what units
a)
Newtons
b)
m/s
c)
Pascals
d)
Moles
49.
Pressure is equal to force divided by what
a)
area
b)
mass
c)
time
d)
distance
50.
Pressure can be measured in Pascales (Pa) or Newtons per square metre.
1 Pa = 1N/m2
a)
True
b)
False
51.
The pressure resulting from a force of 50 N exerted over an area of 5 m2 is
a)
10 N
b)
0.1 N
c)
10 N/m2
d)
0.1 Pa
52.
What does pressure measure?
a)
Strength
b)
Force exerted on a given area of surface
53.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
54.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
55.

What is the SI unit use for hydraulic pressure?

a)

Kg/m3

b)

Pa

c)

kg m-3

d)

N m2

56.
Fluid pressure is directed
a)
in all directions.
b)
only upward.
c)
only downward.
d)
always sideways.
57.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

58.
What decreases as you go up in the atmosphere?
a)
Altitude
b)
Atmosphere
c)
Meteors
d)
Air Pressure
59.

Materials that can flow and take the shape of their containers include…

a)

Both gases & liquids

b)

Liquids

c)

Gases

d)

Neither gases nor liquid

60.

Fluid pressure increases as depth increases.

a)

True

b)

False

61.

These are Pascal's Vases. What would happen if you poured water into the right-hand tube?

a)

The water would fill up the right hand tube before flowing to the others and filling them up.

b)

The thinner tubes would fill up more than the thicker tubes

c)

The thicker tubes would fill up further than the thinner tubes

d)

The height of the water would be the same in all the tubes.

62.

The reason gases can be compressed is because:

a)

The particles are very close together.

b)

The particles are merely vibrating.

c)

The particles are unable to move.

d)

The particles are very far apart.

63.
Which of the following would increase the pressure on a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
64.

How do you Calculate Pressure

a)

Force(N)/Area(m2)

b)

Force(kg)/Area(mi2)

c)

Area(m2)/Force(N)

65.

Pressure rxerted by air on the earth's surface

a)

Pressure

b)

Atmospheric pressure

c)

Heat pressure

66.

Unit to measure atmospheric pressure

a)

Millibar

b)

Cm

c)

Meter

67.
As we go higher in  the atmosphere, the air pressure
a)
decreases
b)
increases
c)
does not change
d)
gets heavier
68.
Density of air is greater ________.
a)
at the top of the mountain
b)
at the bottom of the mountain
c)
at the center of the mountain
69.
Air pressure is greater _______.
a)
at the top of the mountain
b)
at the bottom of the mountain
c)
at the center of the mountain
70.
A device that is used to measure atmospheric pressure is a ___________.
a)
barometer
b)
thermometer
c)
kilometer
d)
micrometer
71.
What happens to air pressure as you move upward into the atmosphere?
a)
increases
b)
decreases
c)
stays the same
72.
What does the air consist of?
a)
molecules
b)
helium
c)
density
d)
weather
73.
What is altitude?
a)
how much something weighs
b)
the distance above sea level
c)
how big something is
d)
how far away something is
74.
In what direction(s) does air exert pressure?
a)
everywhere
b)
no where
c)
there is no pressure
d)
downward
75.

Choose factors that affect the pressure in liquid.

Pilih faktor yang mempengaruhi tekanan di dalam cecair.

a)

depth

kedalaman

b)

mass

jisim

c)

density

ketumpatan

d)

volume

isipadu

76.

Calculate density of the blue liquid

Hitung ketumpatan cecair biru

a)

755 kg m-3

b)

1200 kg m-3

c)

691 kg m-3

d)

1120 kg m-3

77.

Belows are list of application of pressure in liquid EXCEPT

Dibawah ialah senarai aplikasi tekanan dalam cecair KECUALI

a)

position water tank at top of the house

kedudukan tangki air di atas rumah

b)

Use of the siphon

Kegunaan sifon

c)

rubber sucker

getah penyedut

d)

construction of dam

pembinaan empangan

78.

pressure of 1 atm equivalent to:

Tekanan 1 atm bersamaan dengan:

a)

760 mm Hg

b)

10.3 m H2O

c)

100 mbar

d)

100 kPa

79.

Convert 45 cm Hg to unit Pascal

Tukar 45 cm Hg kepada unit Pascal


[density of mercury: 13 600 kg m3]

a)

100 kPa

b)

60 kPa

c)

40 kPa

d)

45 kPa

80.

A wall of seaside can withstand 400 kPa of pressure. What is the pressure in unit m H2O?

Sebuah tebing laut boleh menahan tekanan sebanyak 400 kPa. Apakah tekanan itu dalam unit H2O

[density of water: 1000 kg m-3]

a)

47.70 m

b)

40.77 m

c)

37.47 m

81.

Which are properties of atmospheric pressure at high altitude

Yang manakah ciri-ciri tekanan atmosfera pada altitud yang tinggi.

a)

Thin of air

udara nipis

b)

low number of oxygen gas

rendah bilangan gas oksigen

c)

cooler

lebih sejuk

d)

high pressure

bertekanan tinggi

82.

In outerspace, the pressure is almost zero. What astronauts do to counter it?

Di ruang angkasa, tekanan adalah hampir sifar. Apakah yang dilakukan oleh angkasawan untuk mengatasinya?

a)

pressurize cabin of spacecraft

Beri tekanan pada kabin kapal angkasa.

b)

pressurize space suit

Beri tekanan pada suit angkasa

c)

bring along oxygen tank/generator

bawa bersama tangki/penjana oksigen

d)

build from hard material

diperbuat daripada bahan yang keras

83.

Among these statements, which are effects on human beings at extreme depth under the surface of the sea?

Antara berikut, yang manakah Kesan ke atas manusia dalam keadaan aras kedalaman lampau?

a)

Nitrogen gas dissolves into the blood

Gas nitrogen melarut ke dalam darah

b)

Body tissues absorb excess nitrogen gas

Tisu badan menyerap gas nitrogen yang berlebihan

c)

Formation of nitrogen bubbles in the tissues or blood vessels if pressure is reduced too rapidly

Pembentukan gelembung nitrogen dalam tisu atau salur darah jika tekanan dikurangkan dengan terlalu cepat

d)

Lower absorption of oxygen in the lungs

Penyerapan oksigen dalam paru-paru berkurang

84.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
85.
Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.
a)
True
b)
False
86.
What is the instrument that measures air pressure called?
a)
Graduated cylinder
b)
Barometer
c)
Force scale
d)
Anemometer
87.

The pressure exerted by the weight of air is called

a)

atmospheric pressure

b)

atmospheric temperature

c)

altitude

d)

density

88.

Atmospheric pressure increases (gets bigger) as altitude increases (the higher up you go)

a)

true

b)

false

89.

Which layer of the atmosphere has the most mass? (80% of the mass actually!)

a)

stratosphere

b)

troposphere

c)

mesosphere

d)

thermosphere

90.

which layer of the atmosphere has the most pressure?

a)

thermosphere

b)

mesosphere

c)

stratosphere

d)

troposphere

91.

Atmospheric pressure is practically nonexistent above the stratosphere.

a)

true

b)

false

92.

what is a measure of how warm or cold the atmosphere is?

a)

atmospheric pressure

b)

atmospheric temperature

c)

density

d)

thermometer

93.

atmospheric temperature decreases (gets colder) as altitude increases (the higher up in the atmosphere you go)

a)

true

b)

false

94.

Why does temperature increase in the stratosphere?

a)

decrease of the air pressure

b)

it actually gets colder in the stratosphere

c)

the ozone layer absorbs the sun's energy (heat)

d)

it is unknown why the temperature changes

95.

The temperature in the mesosphere is the

a)

hottest

b)

coldest

96.

The thermosphere gets hot because

a)

the molecules absorb the sun's radiation

b)

the ozone layer absorbs the sun's energy

c)

it actually gets colder

d)

it is closest to the sun

97.

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

a)

The pressure will increase

b)

The pressure will decrease

c)

The pressure will remain constant

d)

The pressure will equalize

98.

Pressure is

a)

defined as the mass that an object exerts when at rest.

b)

not a measurable in gases.

c)

defined as the number of moles of substance divided by the mass of the substance.

d)

created by the force of the gas particles impacting the walls of the container.

99.

A student inflates a balloon with helium then places it in the freezer. The student should expect

a)

the balloon's volume to increase

b)

the balloon's volume to decrease

c)

the number of particles to increase

100.

Gases __________.

a)

have a fixed shape

b)

are easily compressed

c)

have particles that do not flow easily

d)

vibrate about a fixed point

101.

Kinetic energy =

a)

FA\frac{F}{A}

b)

12mv2\frac{1}{2}mv^2

c)

mghmgh

d)

mV\frac{m}{V}

102.

In the graph, air pressure is on the Y axis and altitude increases to the right on the X axis. What statement below best describes the graph?

a)

pressure increases as altitude increase

b)

pressure decreases as altitude increases

c)

pressure decreases as altitude decreases

d)

atmospheric pressure is zero at sea level.

103.

What is Brownian motion?

a)

The random movement of particles in a liquid or gas

b)

The colour of atoms when viewed with a microscope

c)

The movement of solid molecules

d)

The pressure exerted on a container

104.

Pollen grains suspended in water exhibit Brownian motion. How does a particle undergoing Brownian motion move?

a)

In smooth curves

b)

Randomly

c)

Orderly with a pattern

d)

In straight lines with no change of direction

105.

Which of the following does NOT describe Brownian motion?

a)
b)
c)
d)
106.

Which of these is under greater pressure?

a)
b)
107.

The Kelvin temperature scale is directly proportional to

a)

gas pressure

b)

average kinetic energy of gas particles

c)

the Fahrenheit scale

d)

absolute zero

108.

The temperature at which all particle motion stops is

a)

absolute zero

b)

100 degrees Celsius

c)

100 K

d)

1 atm

109.

Kinetic energy =

a)

Force per unit area

b)

1/2 mv2

c)

Kelvins

d)

Temperature

110.

Which unit is not equal to the others?

a)

14.7 psi

b)

101.3 kPa

c)

1 atm

d)

790 mm Hg

111.

Which atoms of gas would move the fastest?

a)

neon

b)

argon

c)

hydrogen

d)

oxygen

112.

Which diagram best depicts how gas pressure explains the Bill Nye hanging man experiment?

a)
b)
113.

In the graph, air pressure is on the Y axis and altitude increases to the right on the X axis. What statement below best describes the graph?

a)

pressure increases as altitude increase

b)

pressure decreases as altitude increases

c)

pressure decreases as altitude decreases

d)

atmospheric pressure is zero at sea level.

114.
What is the difference between particles in a gas and a solid?
a)
gas particles are closer together
b)
solid particles move faster than gas particles
c)
solid particles expand on heating
d)
gas particles have more kinetic energy than solid particles
115.
How can we increase the gas pressure inside a sealed container?
a)
Increase the number of particles inside the container
b)
Increase the temperature
c)
Decrease the volume of the container
d)
All of these
116.

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

a)

The pressure will increase

b)

The pressure will decrease

c)

The pressure will remain constant

d)

The pressure will equalize

117.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
118.
In what direction(s) does air exert pressure?
a)
everywhere
b)
no where
c)
there is no pressure
d)
downward
119.

Pressure can be exerted by solids, liquids and gases.

a)

TRUE

b)

FALSE

120.

The pressure inside the balloon will:

a)

Decrease

b)

Increase

c)

Remain the same

d)

Not enough information to formulate an answer

121.

The pressure of the gas in the balloon in the ice water will be:

a)

Greater than that of the balloon in the boiling water.

b)

Less than that of the balloon in the boiling water.

c)

The same as that of the balloon in the boiling water.

d)

Not enough information to answer the statement.

122.

This is an example of the everyday application of pressure in:

a)

Solids

b)

Liquids

c)

Gases

d)

Plasma

123.

The pressure inside the syringe will decrease if we move the plunger in:

a)

Direction A

b)

Direction B

c)

We don't have to move the plunger as the pressure will change on its own.

d)

None of the above answers.

124.

We can increase the pressure of a gas by:

a)

Adding more gas.

b)

Reduce the volume of the container.

c)

Increase the temperature of the gas.

d)

None of the above answers.

125.

The reason gases can be compressed is because:

a)

The particles are very close together.

b)

The particles are merely vibrating.

c)

The particles are unable to move.

d)

The particles are very far apart.

126.

As you go up to high altitudes, the Gas pressure decreases because _________

a)

The air in the high altitudes are is not compressed

b)

Because the amount of gas particles are decreasing

c)

Because the gas particles in high altitudes are less dense

d)

Because the gas particles are far away to the gravity

127.

Why Mountain climbers takes oxygen tank with them ?

a)

Because there is less pressure

b)

Because there are less gas particles at high altitudes

c)

Because they cant breath properly

d)

All of the Above

128.

What happens to the volume of the balloon if the temperature increased ?

a)

The volume will increase

b)

The volume will decrease

c)

There will be more energy

d)

There will be less gas pressure

129.

Which container will have lower pressure?

a)

Left

b)

Right

130.

A sample of a gas in a cylinder is shown. If the temperature is kept constant and the piston moves down to decrease volume, the pressure increases because the gas particles...

a)

Expand

b)

Become smaller

c)

Lose velocity within the container

d)

Collide more often within the container

131.

What happened to the volume between the two steps?

a)

Volume increased

b)

Volume decreased

c)

Volume stayed the same

132.

If a balloon is cooled what will happen to the volume?

a)

Volume will increase

b)

Volume will decrease

c)

Volume will not change

133.
As pressure goes up, volume 
a)
goes down.
b)
goes up.
c)
stays the same

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