WorksheetsMid-Term Studying
Total questions: 159
Worksheet time: 2hrs 55mins
Name
Class
Date
1.
A solar-powered car converts __________ energy into ____________ energy
a)
light/radiant, chemical
b)
light/radiant, mechanical
c)
mechanical, light/radiant
d)
chemical, mechanical
2.
Which is an example of electrical energy being converted into light energy?
a)
the sun
b)
a light bulb in a lamp
c)
a tree
d)
a glow stick at Halloween
3.
On a cold, winter day, Sheena rubs her hands together. Stored chemical energy is transformed into mechanical energy. Due to the Law of Conservation of Energy, some of the mechanical energy is also transformed into
a)
thermal (heat) energy
b)
light energy
c)
solar energy
d)
kinetic energy
4.
Will was riding his bike when a dog ran out in front of him. He slammed on his brakes. During this quick stop, some of the mechanical energy was changed into
a)
heat energy
b)
light energy
c)
kinetic energy
d)
potential energy
5.
Water that flows from behind a large dam can cause machines to generate electricity. What change takes place?
a)
Heat energy changes into mechanical energy
b)
Sound energy changes into electrical energy
c)
Chemical energy converted into electrical energy
d)
Mechanical energy is converted into electrical energy
6.
Consider the energy transformations that occur when lighting a match. Which of the following statements is true?
a)
Most of the energy is lost when the match is struck.
b)
New energy in the form of light and heat is created when the match is struck.
c)
The chemical energy is transformed into heat and light energy.
d)
Some of the chemical energy is transformed into heat and light and the rest is destroyed.
7.
Which energy transformation is correct for an electric fan that is on?
a)
Heat ---> mechanical ---> electrical
b)
Electrical ---> chemical and sound ---> heat
c)
Mechanical ---> heat ---> sound
d)
Electrical ---> mechanical ---> heat and sound
8.
Which statement below correctly explains the energy transformations in a gas-powered car engine?
a)
electrical ---> chemical ---> light
b)
chemical ---> mechanical ---> nuclear
c)
chemical ---> heat/thermal ---> mechanical
d)
electrical ---> sound ---> thermal
9.
Which statement below correctly explains the energy transformations in a battery-powered flashlight?
a)
electrical ---> chemical ---> light
b)
chemical ---> electrical ---> light and thermal
c)
chemical ---> heat/thermal ---> mechanical
d)
electrical ---> mechanical ---> thermal
10.
Whenever one form of energy is converted into another, some of the original energy is always converted into which type of energy?
a)
light
b)
kinetic
c)
heat/thermal
d)
sound
11.
Which picture shows the energy transformation:
Chemical ---> Mechanical
Chemical ---> Mechanical
a)
A
b)
B
c)
C
d)
D
12.
Which picture shows the energy transformation:
Electrical ---> Thermal
Electrical ---> Thermal
a)
A
b)
B
c)
C
d)
D
13.
Which picture shows the energy transformation:
Light ---> Chemical
Light ---> Chemical
a)
A
b)
B
c)
C
d)
D
14.
Which picture shows the energy transformation:
Chemical ---> Thermal
Chemical ---> Thermal
a)
A
b)
B
c)
C
d)
D
15.
A book falls from a desk. Which graph BEST represents the book’s change in potential energy?
a)
A
b)
B
c)
C
d)
D
16.
Which of these would have the greatest potential energy?
a)
A roller coaster at the top of the hill.
b)
A roller coaster half-way up the hill.
c)
A roller coaster half-way down the hill.
d)
A roller coaster at the bottom of the hill.
17.
As a skateboarder is moving downhill, some of the energy of the skateboarder is
a)
lost.
b)
kinetic.
c)
potential.
d)
both kinetic and potential.
18.
The energy of a bicycle accelerating down a hill can BEST be described as
a)
increasing in kinetic energy.
b)
increasing in potential energy.
c)
100% kinetic energy with no potential energy.
d)
100% potential energy with no kinetic energy.
19.
Bradley is standing on the top of a mountain holding a soccer ball. Which of these best describes what happens when he throws the ball over the edge?
a)
The kinetic energy increases and so does the total amount of energy.
b)
The kinetic energy decreases and the total amount of energy increases.
c)
The potential energy decreases and the total amount of energy also decreases.
d)
Both the kinetic and potential energy change, but the total energy remains constant.
20.
A boulder that is resting on the top of a cliff slips over the edge and accelerates towards the ground. As the rock falls, the amount of kinetic energy
a)
increases.
b)
decreases.
c)
stays the same.
d)
increases then decreases.
21.
Suppose you are jumping on a trampoline. At the top of your jump, which of these is true?
a)
The mechanical energy is zero.
b)
The potential energy is at a maximum.
c)
The kinetic energy and potential energy are equal.
d)
The potential energy is zero.
22.
Which point on the pendulum's swing represents the minimum potential energy?
a)
A
b)
B
c)
C
d)
A & C
23.
Bill pulls a rubber band tight to shoot a piece of paper. At the point when the rubber band is stretched to its maximum, compare and contrast the amounts of potential and kinetic energy.
a)
There is no potential or kinetic energy.
b)
Potential energy is at a maximum and kinetic energy is at a minimum.
c)
Kinetic energy is at a maximum and potential energy is at a minimum.
d)
There are equal amounts of potential and kinetic energy.
24.
A rock is pushed out of a six-story window that is 60 feet above the ground. What energy changes occur as the rock falls to the ground?
a)
The potential energy of the rock is destroyed as it falls.
b)
The potential energy of the rock is transformed into kinetic energy.
c)
The kinetic energy of the rock is transformed into potential energy.
d)
The rock on the ground possesses more potential energy than it did when it was 60 feet higher.
25.
As an archer (a person) pulls back on the bow string before shooting an arrow, the bow has ___________ potential energy.
a)
chemical
b)
elastic
c)
thermal
d)
kinetic
26.
Food is an example of what form of energy?
a)
electrical energy
b)
stored kinetic energy
c)
potential elastic energy
d)
chemical energy
27.
A baseball player swings the bat and makes contact with the ball. When this occurs, the kinetic energy of the bat is transferred to the ball. __________ energy is NOT a possible form of energy that the kinetic energy could be transformed into.
a)
Chemical
b)
Heat
c)
Gravitational potential
d)
Sound
28.
When you wind a rubber band on a toy airplane, what type of energy does the rubber band have?
a)
kinetic energy
b)
elastic potential
c)
thermal energy
d)
mechanical motion energy
29.
When does a toy race car have kinetic energy?
a)
rolling down a hill
b)
sitting on a shelf
c)
upside down on the floor
d)
in the toy box with the lid closed
30.
A car stopped at the top of a ramp has a
a)
heat energy
b)
potential energy
c)
kinetic energy
d)
electrical energy
31.
To pull up a bucket of water from a well, George pulled hard on a handle to wind up a rope. Which kind of energy was George applying to the handle?
a)
electrical energy
b)
frictional energy
c)
potential energy
d)
mechanical energy
32.
As a ball rolls back up a hill, some of the energy of the ball is
a)
lost
b)
kinetic
c)
potential
d)
kinetic and some is potential
33.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
34.
A rock at the edge of a cliff.
a)
Potential
b)
Kinetic
35.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
36.
At which point is kinetic energy greatest
a)
W
b)
X
c)
Y
d)
Z
37.
The Law of Conservation of Energy states energy cannot be created or destroyed only transformed/converted/changed.
a)
True
b)
False
38.
How does a single fixed pulley, like the one seen here, help you do work?
a)
changes the direction of the force
b)
increases the amount of applied force
c)
decreases the amount of applied force
d)
allows you to pull the rope a shorter distance
39.
What is the unit for Work?
a)
Meter (m)
b)
Centimeter (cm)
c)
Newton (N)
d)
Joule (J)
40.
The diagram shows a movable pulley system. When moving a load, this pulley system changes the —
a)
direction of the force.
b)
amount of force needed.
c)
pull of gravity on the load.
d)
overall mass of the rope.
41.
A worker applies an effort force of 20 N to open a window with a resistance force of 500 N. What is the crowbar’s MA?
a)
25
b)
12500
c)
2
d)
24.3
42.
If I lift a 500N object 2m off the ground, am I doing work?
a)
Yes
b)
No
43.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
44.
A student uses this tool to build a project made from wood. The student uses Part X to remove a nail from the wood. Part X is being used as a
a)
a lever
b)
a screw
c)
an inclined plane
d)
a wheel and axle
45.
What Simple Machine is shown? Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
46.
If a barbell weighs 160 N, what other information do you need to have to calculate how much work it takes to lift it?
a)
Effort Force
b)
Distance
c)
Resistance Force
47.
What force causes work output to be less than work input?
a)
Friction
b)
Not This One!
c)
Do Not choose this one!
d)
Seriously this one isn't right either!
48.
What is the number of times the simple machine multiplies force?
a)
Mechanical Advantage
b)
Work Input
c)
Effort Force
d)
Work
49.
What is the work that you do ON a simple machine on an object?
a)
Work Input
b)
Work Output
c)
Simple Machine
d)
Mechanical Advantage
50.
What is the work done BY a simple machine on an object?
a)
Work Input
b)
Work Output
c)
Simple Machine
d)
Mechanical Advantage
51.
What is a device that makes work easier by changing the size and/or direction of force?
a)
Simple Machine
b)
Mechanical Advantage
c)
Work Input
d)
Work Output
52.
Calculation Question #6... What is the length of the effort arm of a lever with a mechanical advantage of 6.25 and a resistance arm of 4 meters?
a)
1.56 m
b)
0.64 m
c)
25 m
d)
1.5 m
53.
Calculation Question #5... What is the mechanical advantage of the lever in the picture above?
a)
20,000
b)
0.2 N
c)
5
d)
5 N
54.
Calculation Question 5c... What formula would you need to use to determine the mechanical advantage of the lever in the diagram above.
a)
MA = de / dr
b)
MA = Fr / Fe
c)
W = Fd
55.
Calculation Question 5b... What is the effort force (Fe) shown in the diagram above?
a)
1000 N
b)
200 N
c)
5 cm
d)
Effort Force (Fe) is not given
56.
Calculation Question 5a... What is the resistance force (Fr) shown in the diagram above?
a)
1000 N
b)
Resistance force (Fr) is not given
c)
5 cm
d)
200 N
57.
Calculation Question #4... If the weight of the block was 250 N, how much force would it take to lift it the 4 m?
a)
250 N
b)
200 N
c)
100 N
d)
400 N
58.
Calculation Question #3... What is the amount of work input required to move the block along the total length of the inclined plane?
a)
1000 N
b)
10 J
c)
1000 J
d)
10 N
59.
Calculation Question #2... What is the weight (resistance force - Fr) of the block?
a)
200 N
b)
100 N
c)
50 N
d)
1000 N
60.
Calculation Question #2b... What is the effort force (Fe) shown in the above diagram?
a)
100 N
b)
10 m
c)
5 m
d)
Effort Force (Fe) is not given
61.
Calculation Question #2a... What is the resistance force (Fr) shown in the above diagram?
a)
100 N
b)
10 m
c)
5 m
d)
The resistance force (Fr) is not given
62.
Calculation Question #1... What is the mechanical advantage of the inclined plane?
a)
10
b)
2 m
c)
10 m
d)
2
63.
Calculation Question #1b... What is the resistance distance (dr) shown in the above diagram?
a)
100 N
b)
10 m
c)
5 m
d)
Resistance distance (dr) is not given
64.
Calculation Question #1a... What is the effort distance (de) shown in the above diagram?
a)
100 N
b)
10 m
c)
5 m
d)
Effort distance (de) is not given
65.
Three of the following simple machines are part of the same family. Which one does NOT belong?
a)
Screw
b)
Pulley
c)
Wedge
d)
Inclined Plane
66.
Which wedge would make the work the easiest?
a)
A
b)
B
c)
C
67.
Three of the following simple machines are part of the same family. Which one does NOT belong?
a)
Lever
b)
Pulley
c)
Wedge
d)
Wheel and axle
68.
Two simple machines that are part of a pair of scissors are a:
a)
wedge and lever
b)
screw and inclined plane
c)
wheel and axle and lever
d)
pulley and wheel and axle
69.
With a wheel and axle, when effort is applied to the wheel, the wheel turns a ___________________ distance, but you get to use _____________ effort force.
a)
longer, more
b)
longer, less
c)
less, more
d)
shorter, more
70.
Which inclined plane would require the most WORK to be done?
a)
A
b)
B
c)
C
d)
Work is the same for A, B, and C
71.
Which inclined plane would require the car to be pulled the longest distance?
a)
A
b)
B
c)
C
d)
All of the cars would require the same distance
72.
Which inclined plane would require the most force to lift the car?
a)
A
b)
B
c)
C
d)
A, B, and C require the same force to lift the car
73.
Which 2 levers above have a MECHANICAL ADVANTAGE greater than 1 (you get to use less effort force)?
a)
A and B
b)
A and C
c)
B and C
d)
B and D
74.
Which lever above represents a baseball bat (3rd class lever)? Remember FLE 123
a)
A
b)
B
c)
C
d)
D
75.
Which lever above is an example of a wheelbarrow (2nd class lever)? Remember FLE 123
a)
A
b)
B
c)
C
d)
D
76.
Which of the above pictures represents DOING WORK?
a)
A
b)
B
77.
What is the Mechanical Advantage of pulley system D?
a)
1
b)
2
c)
3
d)
4
78.
Which pulley only changes the direction of the force?
a)
A
b)
B
c)
C
d)
D
79.
Which pulley above has a Mechanical Advantage of 2?
a)
A
b)
B
c)
C
d)
D
80.
Analyze the following statement and determine whether or not it is true:
When you use a simple machine, you do less work. Explain your answer.
When you use a simple machine, you do less work. Explain your answer.
a)
True. Simple machines allow you to do less work.
b)
True. Simple machines allow some of the work to disappear.
c)
False. Simple machines cause you to do more work.
d)
False. Simple machines make work easier by creating a trade-off between force and distance.
81.
When a screwdriver is used as a first-class lever to open a paint can, what is changed as the work is done?
a)
size of the effort force
b)
size and direction of the effort force
c)
direction of the effort force
d)
power
82.
The ________________ the threads on a screw, the _______________ the length of the inclined plane; so, the work is easier because you use less effort force.
a)
farther, same
b)
closer, smaller
c)
closer, longer
d)
farther, longer
83.
When a simple machine allows you to apply less effort force, what happens to the distance that you apply this force?
a)
It must increase.
b)
It must decrease.
c)
It must stay the same.
d)
It must double.
84.
In which situation is a person doing work on an object?
a)
A school crossing guard raises a stop sign that weighs 10 N.
b)
A student walks while wearing a backpack that weighs 15 N.
c)
A man exerts 350 N of force on a rope attached to a house that does not move.
d)
A worker holds a box 1 m off the floor.
85.
What may have happened in the time period between 15 and 30 minutes
a)
The car accelerated
b)
The car was traveling at constant speed
c)
The car slowed down
d)
The car stopped
86.
Between what two times did the car travel the fastest?
a)
0 to 5 minutes
b)
5 to 10 minutes
c)
10-15 minutes
d)
15 to 30 minutes
87.
Graph B is a graph of a roller coaster car moving up a hill. What does the straight upward slope show?
a)
constant acceleration
b)
constant speed
c)
constant velocity
d)
changing acceleration
88.
Which explanation below does the graph best represent?
a)
A runner slowing down
b)
A dog sitting still
c)
A car driving 50 m/s
d)
An airplane taking off
89.
If a baseball and a cannonball are dropped from the same height at the same time in the absence of air resistance, which ball will hit the ground first?
a)
the cannonball
b)
the baseball
c)
the objects land at the same time
d)
the objects with the larger volume
90.
In which of the following is a biker NOT acceleration?
a)
going straight while speeding up
b)
going straight at a constant speed
c)
making circles at a constant speed
d)
going straight while slowing down
91.
Which of the following does NOT describe weight?
a)
Changes as gravitational force changes
b)
is constant
c)
is a measure of gravitational force
d)
can be measured in newtons (N)
92.
Which are the two factors that determine the amount of friction?
a)
the amount of force and the types of surfaces
b)
the force and how much surfaces come in contact
c)
size and the roughness of the surfaces
d)
the force and the direction exerted on the surfaces
93.
Which of the following choices best represents force?
a)
A push or pull that causes time
b)
A push or pull that always causes speed
c)
A push or pull that always causes acceleration
d)
A push or pull exerted on an object
94.
Which of these statements are true?
a)
Though all matter has mass, small amounts of mass are unaffected by gravity
b)
All matter has mass; all mass is affected by gravity
c)
Only the Earth's gravity affects matter
d)
Only the Earth's and Sun's gravity affects matter
95.
Which of the following statements is an example of velocity?
a)
The boy ran 3 m/s
b)
The girl pushed the box with 5 N of force
c)
The car's acceleration was 5 m/s/s
d)
The plane traveled 80 m/s north
96.
As an ice skater pushes harder with his leg muscles, he begins to accelerate faster. This is an example of
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
97.
Which of the following results in a helpful increase of friction?
a)
Ice skating
b)
Putting oil in a car engine
c)
Applying sand to an icy road surface
d)
Sledding in the winter
98.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
the acceleration of gravity is greater
b)
there is more air resistance against the flat paper
c)
the crumpled paper is more massive
d)
the crumpled paper is less massive
99.
When you paddle a canoe, the canoe goes forward. This is an example of
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
100.
Which of the following results in a helpful decrease of friction?
a)
Putting chains on car tires
b)
Using cleats when playing soccer
c)
Applying sand to a slick sidewalk
d)
Adding ball bearings to skate wheels
101.
Which of the above objects will require a GREATER force to get them to accelerate at the same rate as each other?
a)
A
b)
B
c)
C
d)
D
102.
Friction is a force that opposes motion, slowing it down. According to this definition, in which of the above pictures will the soccer ball have the most friction acting on it?
a)
A
b)
B
c)
C
d)
D
103.
When you are standing up in a subway train, and the train suddenly stops, your body continues to move forward. This is an example of
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
104.
You can determine that the car is in motion by comparing it to the mailbox. What are you using the mailbox as in this example?
a)
Speed
b)
Motion
c)
Acceleration
d)
A reference point
105.
Which of these situations would allow a box in the above pictures to be moved up a ramp with the least amount of force?
a)
A
b)
B
c)
C
d)
D
106.
Between which two objects on the right would the gravitational force be the greatest?
a)
A
b)
B
c)
C
107.
Between which two objects on the right would the gravitational force be the lowest?
a)
A
b)
B
c)
C
108.
Between which two objects would the gravitational force be the greatest?
a)
A
b)
B
c)
C
109.
Between which two objects would the gravitational force be the lowest?
a)
A
b)
B
c)
C
110.
Which of the following is an example of unbalanced forces?
a)
A person pushing a shopping cart
b)
A boy asleep on a park bench
c)
A car stopped at a red light
d)
A marker sitting on a desk
111.
A car is stopped at a red light. When the light turns green, the car begins to move and goes from 0 km/hr to 90 km/hr in 11 seconds. Which of these terms best describes the motion of the car?
a)
Speed
b)
Direction
c)
Velocity
d)
Acceleration
112.
Which of the above pictures show BALANCED forces?
a)
A
b)
B
c)
C
d)
B, C, and D
113.
What is probably being measured in the diagram above?
a)
Speed
b)
Engine temperature
c)
Gasoline mileage
d)
Mass
114.
Which of the following explains the difference between speed and velocity?
a)
One has motion, and the other does not
b)
One has direction, and the other does not
c)
One involves time, and the other does not
d)
One involves acceleration, and the other does not.
115.
An object that has a greater mass also has _______________.
a)
equal weight
b)
greater inertia
c)
more speed
d)
less inertia
116.
If the forces acting on an object are unbalanced, the net force is NOT ________________.
a)
normal
b)
strong
c)
weak
d)
zero
117.
In order to be ___________________ forces, their effects must cancel each other out and not cause a change in an object's motion.
a)
Balanced
b)
Weak
c)
Strong
d)
Unbalanced
118.
During positive acceleration an object's final speed is _____________ than its initial speed.
a)
Greater
b)
Less
c)
10 times lower
d)
5 times less
119.
A plane moving at a rate of 345 km.h north has a different _______________ than a plane moving 345 km/h northwest.
a)
Speed
b)
Velocity
c)
Newton
d)
Rate
120.
Which free body diagram shows a net force of 5 N, right?
a)
A
b)
B
c)
C
d)
D
121.
Which free body diagram shows a net force of 15 N, down?
a)
A
b)
B
c)
C
d)
D
122.
Which free body diagram shows a net force of 0 N, no direction?
a)
A
b)
B
c)
C
d)
D
123.
Which free body diagram shows a net force of 5 N, left?
a)
A
b)
B
c)
C
d)
D
124.
Which picture below does NOT represent “The Law of Electric Charges?”
a)
A
b)
B
c)
C
d)
D
125.
Which of the following particles has a positive (+) charge?
a)
Proton
b)
Neutron
c)
Electron
126.
Which of the following particles has a negative(-) charge?
a)
Proton
b)
Neutron
c)
Electron
127.
Why are protons and electrons attracted to each other?
a)
Protons have a positive charge and electrons have a negative charge.
b)
Protons have a negative charge and electrons have a positive charge.
c)
They both are positively charged.
d)
They both are negatively charged.
128.
What method of charging is involved when charges in an uncharged object are rearranged without touching a charged object?
a)
Friction
b)
Convection
c)
Induction
d)
Conduction
129.
What generates electrical energy from chemical energy?
a)
Chemical cell (battery)
b)
Circuit
c)
Photocell
d)
Current
130.
What type of charging happens when electrons move from one object to another by direct contact?
a)
Friction
b)
Induction
c)
Detection
d)
Conduction
131.
Use electrostatic table to determine which object would lose electrons if they were charged with each other using friction. Hair and Balloon
a)
Hair would lose electrons
b)
Balloon would lose electrons
132.
True/False - Wood is considered an electrical conductor
a)
False
b)
True
133.
True/False - Copper is a good electrical conductor
a)
True
b)
False
134.
True/False - An electrical outlet is an example of AC (Alternating Current)
a)
True
b)
False
135.
True/False - A battery is a form of direct current (DC)
a)
True
b)
False
136.
Which picture below shows the direction that the charges (electrons) in a simple circuit move?
a)
A
b)
B
c)
C
d)
D
137.
Pretend you are an electron in a copper wire which is being used to connect a battery to a flashlight bulb. Because this circuit uses a(n) ___________________ current, you as the electron in the wire will ______
a)
alternating, move first one way then the other.
b)
direct, move first one way then the other.
c)
alternating, move only in one direction.
d)
direct, move only in one direction.
138.
What kind of circuit is shown.
a)
Parallel
b)
Series
139.
What kind of circuit is shown.
a)
Parallel
b)
Series
140.
Tell whether the statement is talking about a series circuit or parallel circuit...
Uses less electrical energy
Uses less electrical energy
a)
Parallel
b)
Series
141.
Tell whether the statement is talking about a series circuit or parallel circuit...
One light dies, the rest stay on
One light dies, the rest stay on
a)
Parallel
b)
Series
142.
Tell whether the statement is talking about a series circuit or parallel circuit...
Battery and bulbs last longer
Battery and bulbs last longer
a)
Parallel
b)
Series
143.
Tell whether the statement is talking about a series circuit or parallel circuit...
Lights stay fully bright when other lights are added
Lights stay fully bright when other lights are added
a)
Parallel
b)
Series
144.
Tell whether the statement is talking about a series circuit or parallel circuit...
Battery and bulbs die faster
Battery and bulbs die faster
a)
Parallel
b)
Series
145.
Tell whether the statement is talking about a series circuit or parallel circuit...
One light dies, they all die
One light dies, they all die
a)
Parallel
b)
Series
146.
In the schematic diagram below, which of the following bulbs will go out if the switch is turned OFF (If the switch is open)?
a)
Bulb A
b)
Bulbs A and B
c)
Bulbs B and C
d)
All Bulbs
147.
In the schematic diagram below, which of the following bulbs will go out if the switch is turned OFF (If the switch is open)?
a)
Bulb A
b)
Bulb A and B
c)
Bulb B and C
d)
All bulbs
148.
What will happen if you turn off a microwave that is plugged into a parallel circuit?
a)
All of the other appliances will still work
b)
All of the other appliances will stop working
c)
The appliances farther from the voltage source will stop
d)
The appliances closest to the mirowave will stop working
149.
What kind of circuit is shown in the picture?
a)
Series
b)
Parallel
c)
Compound
150.
What happens if the bulb at #2 burns out
a)
Bulb #1 stay lit
b)
Bulb #1 goes out
c)
The battery goes out
151.
If the switch located at #3 is closed, what happens in the circuit
a)
Nothing happens
b)
Bulb 1 and 2 light up
c)
One light turns on
152.
What kind of circuit is shown
a)
Parallel
b)
Series
153.
What happens if the bulb at 2 burns out
a)
Bulb 1 goes out
b)
bulb 1 stays lit
c)
The switch opens
154.
How should Tim wire four bulbs in a circuit so that all bulbs will shine as brightly as possible?
a)
He should wire all four bulbs in a series circuit.
b)
He should wire three bulbs in series and one bulb in parallel.
c)
He should wire all four bulbs in a parallel circuit.
d)
He should wire all four bulbs in a combination circuit.
155.
During physical science class, Ben and Jerry connected three identical light bulbs in parallel to a battery. What happens when Ben removes one of the light bulbs from its socket?
a)
All the light bulbs go out.
b)
The other light bulbs remain on and will be equally bright.
c)
The other light bulbs remain on, one brighter and the other less bright than before.
d)
The other light bulbs remain on, one less bright and the other the same brightness as before.
156.
An advantage of parallel circuits is that they
a)
stop transmitting all current if even one resistor breaks.
b)
form a single path through which the current flows.
c)
allow current to flow even if some paths are cut.
d)
divide the voltage evenly between all resistors.
157.
When using a series circuit to connect four small light bulbs, which statement is MOST accurate?
a)
If one bulb fails, the other three can remain operational.
b)
The current passing through each bulb will increase.
c)
By adding more light bulbs in the circuit, it will destroy the electrical energy.
d)
As more light bulbs are added in the circuit, the brightness of the bulbs will decrease.
158.
The following statements were made about a circuit: The voltage in each path is the same. There is more than one path for electrons to reach resistors.
a)
Closed
b)
Open
c)
Parallel
d)
Series
159.
An electrician is creating a wiring plan for a small house. He needs to create a plan that will allow the homeowners to turn off the oven without affecting the refrigerator in the kitchen. What should he do?
a)
Wire the kitchen in series
b)
Wire the kitchen in Parallel
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