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Williams End of the Month Assessment Test

Total questions: 90

Worksheet time: 1hrs 12mins

Name
Class
Date
1.
Fluids can also include__ and__. 
a)
solids and liquids
b)
solids and gases
c)
liquids and gases
d)
liquids
2.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
3.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
4.
Pressure decreases when the surface area over which a force is applied increases
a)
True
b)
False
5.
Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.
a)
True
b)
False
6.
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.
7.
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
8.
The amount of force pushing on an area is the definition of....
a)
Fluid
b)
Viscosity
c)
Barometer
d)
Pressure
9.
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
10.
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
11.
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
12.
Convert 10 kg to Newtons
a)
0.098 N
b)
4.5 N
c)
100 N
d)
98 N
13.

SI unit for Temperature scale

a)

Celsius

b)

Kelvin

c)

Rankine

d)

Fahrenheit

14.

Select all the boiling points of water (2 Correct)

a)

273 K

b)

212 F

c)

652 R

d)

373 K

e)

232 F

15.

Absolute zero definition

a)

Temperature at motion of particles would be zero

b)

Lowest temperature recorded at space

c)

Temperature of the heart of my ex.

d)

Temperature at the Helium is at solid state.

16.
What is the most abundant gas in our atmosphere?
a)
Oxygen
b)
Carbon dioxide
c)
Nitrogen
d)
Argon
17.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
18.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
19.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
20.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
21.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
grams
d)
pounds
22.
As the acceleration of an object increases, what happens to the force of the object? 
a)
force increases
b)
force decreases
c)
force remain the same
d)
mass increases
23.
The ____________ acting on an object is equal to the ____________ of that object times its __________.
a)
mass, force, acceleration
b)
acceleration, mass, force
c)
force, acceleration, mass
d)
acceleration, force, mass
24.
Newton's third law is the law of __________________.
a)
action and reaction
b)
inertia
c)
acceleration
d)
science rocks
25.

An object traveling at 4.0 m/s has a momentum of 16 kg*m/s. What is the mass of the object ?

a)

20 kg B

b)

64 kg

c)

4.0 kg

d)

12 kg

26.

The rate at which an object’s velocity changes is _____

a)

Acceleration

b)

Speed

c)

Time

d)

Oscillation

27.

Viscosity can be described as...

a)

a physical property of liquids

b)

a physical property of solids

c)

a chemical property of liquids

28.

What is Viscosity?

a)

A fluids colour.

b)

A fluids temperature.

c)

A fluids resistance to flow.

29.

Which of these factors affects Viscosity?

a)

Temperature

b)

Colour

c)

Taste

30.

A substance that flows quickly has __________.

a)

low viscosity

b)

high viscosity

31.
A Capacitor
a)
provide a specific value of capacitance
b)
stores energy in a electrostatic field 
c)
opposes any change in voltage
d)
all of the above
32.
The insulating layer of a cacitor is called the 
a)
plate
b)
conductors
c)
dielectric
d)
terminals
33.
The amount of charge that a capacitor can accept is determined by 
a)
It's capacity C=Q/V
b)
the plate area
c)
the dielectric thickness
d)
all of the above
34.
What is the voltage across   the plates of the capacitor if  the capacitance is 10 uF and the Charge stored is  30 uC?
a)
0.333 V
b)
3 V
c)
300 V
35.

With respect to the capacitor, which relationship is true? •

a)

C = Q×V

b)

V = C×Q

c)

V = Q/C

d)

Q = C/V

36.

What is the unit of measurement for resistance?

a)

Voltage

b)

Ampere

c)

Watts

d)

Ohms

37.

How to you calculate the total resistance in a series circuit?

a)

R1 + R2+ R3

b)

R1 - R2 - R3

c)

1/R1 + 1/R2 + 1/R3

d)

R1 = R2 = R3

38.

How do you calculate total resistance in a parallel circuit?

a)

R1 + R2 + R3

b)

R1 - R2 - R3

c)

1/R1 +1/R2 + 1/R3 = 1/RT

d)

R1 = R2 = R3

39.

What is the equivalent or total resistance (Re) across this circuit?

a)

3 kΩ

b)

10 kΩ

c)

13 kΩ

d)

18 kΩ

40.
Which resistor will prevent the most current flow?
a)
1 ohm
b)
100 ohms
c)
1000 ohms
d)
0.5k ohms
41.

How would the equivalent resistance be determined?

a)

1 / Req = (1/5) + (1/8) + (1/3) Ω

b)

120 Ω

c)

1.5189873 Ω

d)

1 / Req = (1/5) * (1/8) * (1/3) Ω

42.

the formula to find current when the values of V and R are known is

a)

I = V2R

b)

I = V/R

c)

I = R/V

d)

I=VR

43.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
44.
The equivalent resistance in this circuit is 
a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
45.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
46.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
47.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
d)
light
48.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
49.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
50.
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
a)
12 volts
b)
24 volts
c)
1.3333
d)
48 volts
51.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
52.
Step up transformers...
a)
have more turns on their primary coil
b)
have more turns on their secondary coil
c)
have equal numbers of turns on their primary and secondary coil
53.
This picture is an example of a ___________
a)
Step- Up Transformer
b)
Step- Down Transformer
c)
Motor
d)
Generator
54.

Calculate potential difference in the secondary coil based on the information given below.


Vp = 240 V

Np = 20

Ns = 125

Vs ?

a)

1500

b)

500

c)

1000

d)

2000

55.

Why transformers work with A.C. current but not D.C.

a)

A.C current produces changing magnetic field.

b)

D.C current produces changing magnetic field.

c)

D.C current is weak

d)

A.C current is powerful

56.

A transformer has primary voltage 200V and secondary voltage 100V , the transformer is called _______ .

a)

Step up

b)

Step Down

c)

None

57.

The following graph models the motion of a car.


What is the car’s displacement from t = 0-10 seconds?

a)

64 meters

b)

80 meters

c)

72 meters

d)

100 meters

58.

In the study of thermodynamics, which statement is true about the ENTROPY?

a)

Entropy refers to DISORDER, the unusable energy that escapes a system.

b)

Entropy refers to the balance of temperature among two or more systems.

c)

Entropy refers to the average kinetic energy of the molecules.

d)

Entropy refers to the inability to destroy or create energy.

59.

A tuning fork vibrating in air produces sound waves. These waves are best classified as

a)

Transverse, because the air molecules are vibrating parallel to the direction of wave motion

b)

Transverse, because the air molecules are vibrating perpendicular to the direction of wave motion

c)

Longitudinal, because the air molecules are vibrating parallel to the direction of wave motion

d)

Longitudinal, because the air molecules are vibrating perpendicular to the direction of wave motion

60.

Red light is passed through two narrow slits and forms a pattern of bright and dark lines on a screen. The two wave behaviors primarily responsible for this pattern are:

a)

Resonance and Interference

b)

Diffraction and Interference

c)

Polarization and Doppler Effect

d)

Reflection and Refraction

61.

Of the following phenomena, which provides the best evidence that light can have particle properties?

a)

Interference of light in thin films

b)

Electromagnetic radiation

c)

Photoelectric effect

d)

Electron diffraction

62.

Which one of the following traits or behaviors is an indicator that light is a wave?

a)

Light occupies space.

b)

Light travels at enormous speeds.

c)

Light particles possess mass.

d)

Light is observed to undergo diffraction and interference

63.

What is the efficiency of a solar cell if 1000 J of solar energy hits the cell and 200 J are converted into electrical energy?

a)

10%

b)

20%

c)

30%

d)

40%

64.

What is electrical energy converted into when a drill is used?

a)

Kinetic energy

b)

Sound

c)

Heat

d)

All of the above

65.

What is the correct equation for gravitational potential energy

a)

m x g x h

b)

m x g / h

c)

m x h / g

66.

What is the correct equation for kinetic energy

a)

1/2 x m x v2

b)

m x v2

c)

1 / 2 x v x m2

67.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

68.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

69.

Electricity can be obtained from different energy resources. Which energy resource is used to obtain electricity without producing heat to boil water?

a)

coal

b)

geothermal

c)

hydroelectric

d)

nuclear

70.

What is designed to change electrical energy into kinetic energy?

a)

A. capacitor

b)

B. generator

c)

C. motor

d)

D. transformer

71.

The function of the transformer in the transmission of

electricity is to

Fungsi transformer dalam penghantaran elektrik ialah

untuk

a)

change the voltage magnitude/ mengubah magnitud voltan

b)

increase the power / menambahkan kuasa

c)

increase the resistance / menambahkan rintangan

d)

reduce the time to transmit the electricity/ mengurangkan masa untuk menghantar elektrik

72.

If a transformer reduces voltage, it is called a....................... transformer.

Sekiranya transformer mengurangkan voltan, ia dipanggil transformer .......................

a)

step left/ injak kiri

b)

step right/ injak kanan

c)

step up/ injak naik

d)

step down/ injak turun

73.

If a transformer increases voltage, it is called a ......... transformer.

Sekiranya transformer meningkatkan voltan, ia dipanggil transformer .........

a)

step right/ injak kanan

b)

step left/ injak kiri

c)

step up/ injak naik

d)

step down/ injak turun

74.

A transformer has 500 turns on its primary coil and 100
turns on its secondary coil. An a.c voltage of 25 V is
connected across the primary coil.
What is the voltage across the secondary coil?

Sebuah transformer mempunyai 500 lilitan pada
gegelung primer dan 100 lilitan pada gegelung
sekunder. Satu bekalan a.u 25 V disambung merentasi
gegelung primer. Berapakah beza keupayaan
merentasi gegelung sekunder?
TIPS!!!!!!
 VPVS=NPNS=ISIP\frac{V_P}{V_S}=\frac{N_P}{N_S}=\frac{I_S}{I_P}  

a)

5.0 V

b)

12.5 V

c)

50.0 V

d)

175.0 V

75.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
76.

The momentum of an object depends upon the object's ___________&_____________.

a)

size and shape

b)

mass and speed

c)

mass and veloctiy

d)

mass and energy

77.
The definition of momentum is
a)
Mass in Motion
b)
The size of an object
c)
The velocity of an object
d)
A comparison between two objects
78.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
79.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
80.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
81.
A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?
a)
8 m/s
b)
32 m/s
c)
0.125 m/s
d)
18 m/s
82.
Both mass and velocity are _______________ proportional to momentum.
a)
Directly
b)
Inversely
83.

In an elastic collision, ______ is conserved.

a)

Momentum only

b)

Kinetic Energy only

c)

Both momentum and energy

84.
In a perfectly inelastic collision, ______ is conserved. 
a)
Momentum only
b)
Kinetic Energy only
c)
Both momentum and kinetic energy
85.

A ball of mass m is thrown at a wall with speed u. After it strikes the wall, the ball bounces back with a speed v. What represents the magnitude of the force acting on the ball during the collision?

a)

m(u-v) / t

b)

m(v-u) / t

c)

m(u+v) / t

d)

0

86.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
87.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
88.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
89.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
90.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s

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