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WorksheetsPhysics Semester 2 Review '17
Total questions: 90
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
What is one problem with using a series circuit?
a)
It has a lot of series.
b)
If one goes down, they all go down!
c)
It doesn't work properly.
d)
There are no problems.
2.
What is one benefits of using a parallel circuit?
a)
It gets confusing.
b)
There are no problems.
c)
If one goes down, it does not affect the others.
d)
Porque es para llelio.
3.
Unit for resistance
a)
Ampere
b)
Ohm
c)
Volt
d)
Watt
4.
Unit for current
a)
Ohm
b)
Ampere
c)
Volt
d)
Watt
5.
What is the unit of energy?
a)
Amps
b)
Watts
c)
Volts
d)
Joules
6.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
7.
If bulb 1 burns out, what will occur?
a)
bulbs 2 and 3 will go out
b)
bulbs 2 and 3 receive more volts
c)
bulbs 2 and 3 will stay lit
d)
nothing will happen
8.
As the resistance of a circuit increases, the current will
a)
increase
b)
decrease
c)
stay the same
9.
Electric current is the flow of:
a)
electrons
b)
protons
c)
neutrons
d)
none of these
10.
If the current through the battery was 10A in this diagram. What would the current through each bulb be?
a)
10A
b)
5A
c)
20A
d)
0A
11.
If the voltage across the battery was 10V in this diagram. What would the voltage across each bulb be?
a)
10V
b)
5V
c)
20V
d)
0V
12.
When another resistor is added to a parallel circuit, the total current...
a)
goes up.
b)
goes down.
c)
is unaffected.
13.
A circuit with 3 resistors, 10 Ohms, 30 Ohms and 20 Ohms are in series. What is the total resistance
a)
30 Ohms
b)
50 Ohms
c)
60 Ohms
d)
100 Ohms
14.
Why are homes not wired in series circuits?
a)
The house will burn down
b)
If you turn off one appliance, the rest will turn off.
c)
Homes are wired in series circuits.
15.
If you add a second battery to your series circuit, what will happen to the current in your circuit?
a)
Decrease
b)
Increase
c)
Stay the same
16.
If you add a second battery to your series circuit, what will happen to the voltage in your circuit?
a)
Decrease
b)
Increase
c)
Stay the same
17.
The part of a longitudinal wave where the particles of the medium are close together.
a)
rarefaction
b)
compression
c)
crest
d)
trough
18.
A part in a longitudinal wave where the particles are spread apart
a)
compression
b)
rarefaction
c)
crest
d)
trough
19.
In what state of matter does sound travel the slowest?
a)
Solid
b)
Liquid
c)
Gas
d)
Doesn't Matter
20.
In what state of matter does sound travel the fastest?
a)
Solid
b)
Liquid
c)
Gas
d)
Doesn't Matter
21.
What is a natural Vaccuum that Sound cannot travel through?
a)
Water
b)
Air
c)
Liquids
d)
Outer Space
22.
A sound wave is produced when an object …
a)
Vibrates
b)
Accelerates
c)
Remains stationary
d)
Travels in a circle
23.
Sound is a form of?
a)
energy
b)
pitch
c)
volume
24.
Sound is caused by?
a)
force
b)
vibrations
c)
instruments
25.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
26.
What type of waves are light waves
a)
longitudinal
b)
compression
c)
mechanical
d)
electromagnetic
27.
What is light?
a)
is only produced artificially
b)
is a form of energy you can see
c)
is when an object is easy to lift
28.
Primary colors of light can combine to make
a)
black light
b)
white light
c)
primary pigments
d)
ultraviolet light
29.
An object appears red because it
a)
reflects light waves of all colors
b)
reflects light waves of red
c)
absorbs light waves of red
d)
transmits light waves of all colors
30.
Which electromagnetic wave carries the most energy?
a)
gamma waves
b)
microwaves
c)
radio waves
d)
light waves
31.
When all 3 primary pigment colors are mixed which color is produced?
a)
black
b)
magenta
c)
white
d)
cyan
32.
What are the three primary colours of light?
a)
Red,Yellow,Blue
b)
Red,Green,Yellow
c)
Red,Green,Blue
d)
Yellow,Blue,Green
33.
Which one of the following types of electromagnetic wave travels through space the fastest?
a)
radio waves
b)
infrared waves
c)
microwaves
d)
They all travel through space at the same speed.
34.
Which of the following is NOT an electromagnetic wave?
a)
ultraviolet
b)
infrared
c)
radio waves
d)
sound waves
35.
Light travels at ___________________ km per second.
a)
30
b)
300,000
c)
300 x 10^8
d)
3,000,000
36.
Does the frog reflect or absorb green?
a)
Reflect
b)
Absorb
37.
Does the scarf reflect or absorb yellow?
a)
Reflect
b)
Absorb
38.
A material that absorbs and reflects light is
a)
transparent
b)
transulecent
c)
clear
d)
opaque
39.
The color that we perceive an object depends on the
a)
The light that is reflected by the object.
b)
The light that is absorbed by the object.
c)
The light that is transmitted by the object.
d)
The light that is created by the object.
40.
What are the three secondary colors of light (primary pigments)?
a)
Cyan, Yellow, Magenta
b)
Red, Blue, Green
c)
Violet, Orange, Turquiose
d)
White, Black, Grey
41.
When we see a firework burst into light in the sky and then hear the sound a short time later, this is evidence for what?
a)
Sound and light move at the same speed.
b)
Light moves faster than sound.
c)
Sound moves faster than light.
d)
Light has more energy than sound.
42.
Frosted glass is an example of a _______ material.
a)
transparent
b)
translucent
c)
opaque
43.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
44.
Which of the following electromagnetic waves is given off as heat?
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
45.
Select the correct order of waves on the EM Spectrum.
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
46.
The ocean usually looks blue because
a)
the sky is blue.
b)
blue light has a low frequency
c)
blue light is reflected from the water
d)
blue light is absorbed near the surface
47.
Black t-shirts ______________ all light.
a)
absorb
b)
reflect
48.
White t-shirts _____________ all light
a)
absorb
b)
reflect
49.
The color that we perceive an object depends on the
a)
The light that is reflected by the object.
b)
The light that is absorbed by the object.
c)
The light that is transmitted by the object.
d)
The light that is created by the object.
50.
Light sometimes acts as a wave and sometimes as a particle.
a)
True
b)
False
51.
Humans are most sensitive to light that is
a)
red
b)
white
c)
yellow-green
d)
green-blue
52.
A valid scientific investigation must be able to be
a)
replicated
b)
graphed
c)
predicted
d)
observed
53.
A hypothesis is
a)
an educated guess that has yet to be proven by experiment.
b)
close agreement by competent observers of observations of the same phenomena.
c)
a guess that has been tested over and over again and always found to be true.
d)
a synthesis of a large collection of information that includes guesses.
54.
A scientific fact is
a)
something you believe is true because you have been taught it.
b)
a guess that has been tested over and over again and always found to be true.
c)
close agreement by competent observers of observations of the same phenomena.
d)
an educated guess that has yet to be proven by experiment.
55.
The difference between a hypothesis and a theory is that a hypothesis is
a)
never true whereas a theory is always true.
b)
true whereas a theory is not true.
c)
never true whereas a theory is sometimes true.
d)
an educated guess whereas a theory has been tested successfully many times in many ways.
56.
Which of these is a scientific hypothesis?
a)
Atoms are the smallest particles of matter that exist.
b)
Albert Einstein is the greatest physicist of the twentieth century.
c)
The universe is surrounded by a second universe, which cannot be seen.
57.
A scientific fact is something that is absolute and unchanging.
a)
True
b)
False
58.
A hypothesis is not scientific if there exists no test for proving it wrong.
a)
True
b)
False
59.
A theory ________ becomes a law.
a)
sometimes
b)
always
c)
never
60.
A scientific theory is proven true through experiments and observations.
a)
True
b)
False
61.
Which magnetic pole is located in the northern hemisphere
a)
Magnetic North Pole
b)
Magnetic South Pole
62.
There is a magnetic field around a current-carrying wire.
a)
true
b)
false
c)
maybe...?
63.
Spinning electrons themselves are small magnets.
a)
true
b)
false
64.
A magnetic field is produced by the motion of charged particles.
a)
true
b)
false
65.
Just as it is easy to separate electric charges, it is relatively easy to isolate a magnet’s poles.
a)
true
b)
false
c)
maybe...?
66.
Magnetic poles are similar to electric charges in that they both can repel and attract one another.
a)
true
b)
false
67.
Magnetic field lines inside of a magnet are conventionally drawn
a)
from north to south
b)
from south to north
c)
either way
d)
MAGNETO WINS ALL!!
68.
Magnetic field lines surrounding a magnet are conventionally drawn
a)
from south to north
b)
from north to south
c)
either way
d)
Who knows?!
69.
The discrepancy between the orientation of a compass and true north is known as the
a)
radioactive effect (hulkify!)
b)
magnetic declination
c)
magnetic effect
d)
magnetic discrepancy
70.
Earth's magnetic field is most likely due to
a)
millions of small magnets buried in Earth
b)
a magnetized solid inner core of Earth
c)
convection currents in the molten part of Earth's interior
d)
rotation of Earth acting on all of Earth's electrons
71.
In order to make an electromagnet, you need a
a)
battery, nail, and magnet
b)
battery, wire, and nail
c)
magnet, nail, and wire
d)
all of the above
72.
Magnetic fields are produced by
a)
moving particles on earth
b)
charges at rest
c)
moving particles
d)
moving charged particles
73.
The source of all magnetism is
a)
moving electric charges
b)
ferromagnetic materials
c)
tiny domains of aligned atoms
d)
tiny pieces of iron
74.
An iron rod becomes magnetic when
a)
positive charges line up on one side and negative charges on the other side
b)
positive ions gather at one end and negative ions at the other end
c)
its electrons stop moving and point in the same direction
d)
the net spins of its electrons point in the same direction
75.
If the north pole of one magnet is brought near the south pole of another magnet, the poles will
a)
repel
b)
attract
c)
not interact
d)
How am I supposed to know that!
76.
If you break a bar magnet in half, each half
a)
becomes a bar magnet with two poles
b)
becomes unmagnetized
c)
contains one magnetic pole
d)
says 'hey man, what did I ever do to you?!'
77.
If you put a small compass in a magnetic field, the compass will
a)
swing randomly
b)
line up in a direction parallel to the magnetic field lines
c)
line up in a direction perpendicular to the magnetic field lines
d)
seek electrical charge concentrations
78.
Magnetic field strength is
a)
strongest close to a magnet
b)
constant everywhere
c)
strongest far from a magnet
79.
Electrical resistance is measured in
a)
volts.
b)
amperes.
c)
watts.
d)
ohms.
80.
In order for there to be a flow of charge from one place to another, there must be a
a)
conductor, such as a wire, connecting the two places.
b)
potential difference between the two places.
c)
Both A and B above
81.
An ampere is a
a)
unit of resistance.
b)
unit of current.
c)
type of charge.
d)
current.
82.
The primary reason a bird can perch harmlessly on bare high voltage wires is that
a)
a bird's feet are close together.
b)
a bird has a very large electrical resistance.
c)
there is no potential difference across the bird's feet.
d)
all of the above
83.
Alternating current is made by
a)
alternating current and voltage.
b)
alternating the direction of voltage of the power source.
c)
huge chemical batteries.
d)
none of the above
84.
The frequency of AC current in North America is
a)
120 V.
b)
50 hertz.
c)
30 V.
d)
60 hertz.
85.
Current from a battery is always
a)
AC
b)
DC
86.
The direction of electric field lines shows the
a)
direction of the force on a test positive charge.
b)
size of the field.
c)
strength of the field.
d)
all of the above
87.
If two negative charges are held close together and then released, the charges will
a)
accelerate toward each other.
b)
accelerate away from each other.
c)
not move.
d)
move at a constant speed away from each other.
88.
A volt is a unit of
a)
charge.
b)
electric potential.
c)
energy.
d)
work.
89.
Compared to the speed of light, sound travels
a)
Faster
b)
At about the same Speed
c)
Slower
90.
Which of the following would be most likely to transmit sound with the highest speed?
a)
Steel in a bridge
b)
wood in a cabinet
c)
water in the ocean
d)
water in a swimming pool
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