WorksheetsUnit 6 part 2 review
Total questions: 62
Worksheet time: 46mins
Name
Class
Date
1.
What subject is attracted to a magnet?
a)
Silver
b)
Water
c)
Metal
d)
Iron
2.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
3.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
4.
Which way to the magnetic field lines go?
a)
North -> South
b)
South -> North
5.
Magnet A does not have its poles labelled. Magnet Bs North pole is brought towards the magnet, Magnet A attracts to it. What pole must Magnet A be?
a)
South
b)
North
6.
The strength of a magnet can be changed by
a)
adding less loops to the coil.
b)
adding more loops to the coil.
7.
An example of the best insulator is
a)
copper
b)
salt
c)
plastic
d)
sand
8.
An example of a good conductor is
a)
copper
b)
sand
c)
plastic
9.
Electrical insulators have _________ resistance to the movement of electrons.
a)
high
b)
low
c)
no
10.
__________________ is the movement of electrons.
a)
Magnetism
b)
Electricity
c)
Electromagnetism
11.
Electromagnets are strong magnets that can be turned on and off.
a)
True
b)
False
12.
When socks get stuck to towels in your dryer, this is an example of________________
a)
current electricity
b)
static electricity
13.
The accumulation of excess electric charge on an object is called
a)
Static electricity
b)
Electric discharge
c)
Resistance
d)
Circuit
14.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
15.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
16.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
17.
What is the major difference between static electricity and current electricity?
a)
Current electricity involves a continuous flow of neutrons; static electricity is a sudden transfer of protons
b)
Current electricity can be deadly; static electricity is almost always safe
c)
In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons
d)
Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons
18.
Which of the following is caused by static electricity?
a)
a stove getting hot when it is turned on
b)
a magnet being attracted to a refrigerator
c)
a lightning strike during a storm
d)
a light bulb coming on when a switch is turned on
19.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
20.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
21.
A __________opens and closes a circuit?
a)
key
key
key
b)
magnet
c)
switch
d)
electromagnet
22.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
23.
A path for electricity is a(n) .
a)
A. route
b)
B. ampere
c)
C. light bulb
d)
D. circuit
24.
Is this circuit open or closed?
a)
Closed
b)
Open
25.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
26.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from more than one source.
c)
Electricity flows along more than one pathway.
d)
The flow of electricity comes from more than 1 load.
27.
In a series circuit, the more lightbulbs you add the brighter they get.
a)
False
b)
True
28.
The animation below shows a moving source of waves.
The wave received by an observer behind the source has a frequency of 2 Hz, the frequency in front of the source is
a)
1 Hz
b)
2 Hz
c)
3 Hz
d)
4 Hz
29.
When the car moves AWAY from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
30.
When an ambulance move TOWARD you it sounds ________ pitched.
a)
high
b)
low
c)
normal
31.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down).
c)
Moving to the West (left).
d)
Moving to the East (right).
32.
What can you tell about the motion of this object?
a)
Moving left.
b)
Moving right quickly.
c)
Standing still.
d)
Moving up slowly.
33.
Sound moves in a _________.
a)
Transverse wave
b)
Longitudinal wave
34.
________ is the degree of loudness of a sound.
a)
Pitch
b)
Volume
35.
________ is the highness or lowness of a sound.
a)
Volume
b)
Pitch
36.
Which of the following determines the pitch of a sound wave?
a)
frequency
b)
density
c)
mass
d)
reflection
37.
Sound needs a medium to travel through. What is a medium?
a)
solid, liquid, gas
b)
open space
c)
waves
d)
nothing
38.
Sound is a form of?
a)
energy
b)
pitch
c)
volume
39.
The larger the amplitude, the less energy
a)
true
b)
false
40.
Material that allows light to pass through allowing you to see "clearly" to the other side
a)
opaque
b)
translucent
c)
transparent
41.
Compressions are...
a)
associated with transverse waves
b)
associated with longitudinal waves
c)
light waves
d)
visible light
42.
When waves overlap
a)
Interference
b)
Resonance
c)
Reflection
d)
Diffraction
43.
What does refract mean?
a)
To shrink
b)
To bend
c)
To widen
d)
To enlarge
44.
All waves can be reflected
a)
true
b)
false
45.
The bending of waves around a barrier.
a)
refraction
b)
diffraction
c)
resonance
46.
waves that require a medium through which to travel
a)
mechanical waves
b)
electromagnetic waves
47.
A form of energy that can move through the vacuum of space.
a)
electromagnetic waves
b)
mechanical waves
48.
the speed at which a wave travels
a)
frequency
b)
wave speed
c)
amplitude
d)
period
49.
EM waves are always____________
a)
Transverse
b)
Compression
c)
Longitudinal
d)
Seismic
50.
Infrared waves are used in__________________.
a)
Bath tubs
b)
Microwaves
c)
Remote Controls
d)
Tanning
51.
______waves can help sterilize medical equipment by killing bacteria.
a)
Infrared
b)
Visible
c)
Gamma
d)
Ultraviolet
52.
The orange line is measuring the _________________________.
a)
wavelength
b)
amplitude
c)
crest
d)
trough
53.
Sound waves are NOT___________________________.
a)
EM Waves
b)
Waves
c)
Mechanical Waves
d)
Compression
54.
______ waves are vibrations in electrical and magnetic fields.
a)
Sound
b)
Mechanical
c)
Electromagnetic
d)
Compression
55.
EM waves ________ a medium.
a)
require
b)
don't require
c)
can have
d)
sometimes have
56.
EM waves _______ travel the same speed in a vacuum.
a)
never
b)
sometimes
c)
always
d)
can
57.
The shortest wavelength in visible light is______.
a)
violet
b)
red
c)
blue
d)
yellow
58.
This wave has the second highest frequency on the spectrum.
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma ray
59.
Airport security is an example of _________.
a)
infrared rays
b)
radio waves
c)
x-rays
d)
gamma rays
60.
_______ carry the greatest amount of energy.
a)
x-rays
b)
gamma rays
c)
infrared rays
d)
visible light
61.
The higher the frequency the ______ the energy.
a)
higher
b)
lower
c)
neither, stays the same
62.
EM waves with wavelengths between those of infrared and ultraviolet waves are _______.
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma rays
100 %
