WorksheetsWaves
Total questions: 25
Worksheet time: 10mins
Name
Class
Date
1.
Noureen looks through a glass window to see if it's raining. What makes this possible.
a)
transmission of light
b)
refraction of light
c)
scattering of light
d)
absorption of light
2.
Sunlight shining in an aquarium changes direction when it hits the water due to
a)
diffraction
b)
reflection
c)
refraction
d)
reverberation
3.
The directional change of the light waves going from the surface into the water is the result of
a)
light waves travel faster through air than water
b)
light waves travel faster through water than air
c)
the angle of reflection of waves always equals the angle of incidence
d)
waves carrying less energy produce light with lower intensity.
4.
A laser pen is pointed at a dark wall. A spot of light is seen at exactly where the pen is pointing. Which property of light does this show?
a)
light travels in a straight line
b)
lights travels faster than sound
c)
light can pass through some surfaces
d)
light can be reflected
5.
Our eyes are able to see all objects because of ____light.
a)
diffracted
b)
refracted
c)
reflected
d)
none of the answers
6.
The process of detecting objects by bouncing sounds off them is called
a)
diffraction
b)
echolocation
c)
refraction
d)
vibation
7.
The electromagnetic waves with the highest energy are
a)
infrared waves
b)
sound waves
c)
ultraviolet waves
d)
gamma waves
8.
Theaters and concert halls often place curtains on the walls in order to
a)
absorb the energy of sound waves
b)
increase sound reflection
c)
prevent refraction
d)
raise the intensity of sound
9.
Light travels fastest in
a)
seawater
b)
solids
c)
gas
d)
empty space
10.
Digital waves carry information as a series of zeros and ones, known as binary code. It is far more difficult to make a perfect copy of an analog wave because
a)
The exact value of any one piece of information is not clearly defined
b)
each individual piece of information is either a zero, a one, or a two
c)
analog waves travel at speeds too great for modern technologies to use
d)
most analog waves have wavelengths that are too long to reproduce in copies
11.
The definition of electrical energy is
a)
energy that is transmitted in the form of electromagnetic waves
b)
energy of an object due to the random motion of its atoms and molecules
c)
energy an object has because of its motion or position
d)
energy resulting from the flow of charged particles, such as electrons or ions
12.
You are in charge of the repair crew for a power company. The electricity isn't properly decreasing to the homes in a neighborhood. Where do you send the repairperson to fix the problem?
a)
Generator
b)
Step-up transformer
c)
Power lines
d)
Step-down transformer
13.
Which of these is an advantage of parallel circuits over series circuits?
a)
The current is stronger through the receivers
b)
If one receiver stops the energy flow, the other receivers still work.
c)
If the battery dies, energy can still flow through the receivers.
d)
the voltage is stronger from the battery
14.
When you have too many appliances turned on in the kitchen, what will happen when another is turned on?
a)
not enough current will flow to power each device.
b)
The current will remain the same, but only a few devices will have power.
c)
The parallel circuit will turn into a series circuit.
d)
The circuit breaker will trip and all of the devices will no longer have current.
15.
You have two pieces of wire that allow electrons to pass through them when they are connected to each other. If you insert a piece of rubber between the wires, the electrons do not flow. The rubber material is
a)
Conductor
b)
Insulator
c)
Fuse
d)
Circuit
16.
Select the true statement
a)
Magnets can be created using electricity.
b)
Magnets and electricity are not very closely related
c)
Magnets cannot be created using electricity.
d)
Magnets are only found in nature.
17.
How many volts are in most of the outlets in your home?
a)
1.5 V
b)
160 V
c)
12 V
d)
110 V
18.
If you pass a building with a siren sounding, as you move away from the building, the siren will sound lower because of the
a)
Polar Effect
b)
Radar Effect
c)
Doppler Effect
d)
Gobi Effect
19.
If an object looks blue, it reflects ___ waves.
a)
blue
b)
white
c)
green
d)
black
20.
Light enters the eye through the
a)
iris
b)
pupil
c)
cornea
d)
lens
21.
You can hear sound around an open door because sound waves
a)
refract
b)
reflect
c)
diffract
d)
diffuse
22.
Allows all of the light to pass through
a)
translucent
b)
transparent
c)
opaque
d)
solid
23.
Allows no light to pass through
a)
translucent
b)
transparent
c)
opaque
24.
Allows some of the light to pass through
a)
translucent
b)
transparent
c)
opaque
25.
In which medium will sound travel faster?
a)
air
b)
water
c)
empty space
d)
metal
100 %
