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WorksheetsLight and Sound Energy
Total questions: 35
Worksheet time: 22mins
Name
Class
Date
1.
The number of vibrations per second a sound makes refers to___________________________.
a)
volume
b)
pitch
c)
frequency
d)
amplitude
2.
Five students are playing straw flutes. They want to play a song, but their flutes all make the same note. How can they change the pitch of their flute?
a)
They can blow harder across the straw.
b)
They need to cut the straws to make them different lengths.
c)
They need to point their straws in different directions.
d)
They need to blow across the other end of the straw.
3.
Sound travels fastest through which medium?
a)
the ocean
b)
a steel pipe
c)
in a vacuum (a place with no air or matter)
d)
in the air
4.
When light bounces off a smooth, shiny surface, what process has occurred?
a)
refraction
b)
reflection
c)
transmission
d)
photosynthesis
5.
Which of the following would reflect rather than refract light?
a)
small lens
b)
shiny mirror
c)
dull black paper
d)
magnifying glass
6.
The loudness or softness of a sound is called ___________.
a)
volume
b)
pitch
c)
frequency
d)
molecules
7.
Sophia shouts in the school courtyard and hears an echo. What is causing the echo?
a)
sound is absorbed by the surface
b)
sound is reflected off the surface
c)
the pitch of her voice increased
d)
the volume of her voice increased
8.
A teacher fills five glasses with different amounts of water. The teacher lightly taps each glass and a sound is made by the vibrations. The rate of vibration varies depending on the amount of water in the glass. Which property of sound varies from glass to glass?
a)
the pitch of the sound
b)
the echo of the sound
c)
the speed of the sound
d)
the volume of the sound
9.
Which type of lens is thick in the middle to make objects larger?
a)
concave
b)
convex
c)
flat
d)
glass
10.
The sound that a person hears from a drum is produced by
a)
echoes
b)
reflections
c)
pulses
d)
vibrations
11.
Which would make the softest sound?
a)
balloon popping
b)
hammer hitting a nail
c)
eraser hitting a chalkboard
d)
metal rod hitting a musical triangle
12.
Which sound has a pitch that is MOST DIFFERENT from the other three sounds?
a)
fire alarm
b)
train whistle
c)
bouncing ball
d)
smoke detector
13.
Jane hears a fire truck siren that does not change in pitch or loudness. The fire truck is
a)
leaving the station.
b)
parked at the station.
c)
passing by the station.
d)
coming toward the station.
14.
The picture shows a stringed instrument with strings of three different thicknesses. Which statement is true?
a)
Strings X and Y will vibrate at the same speed.
b)
String X will vibrate the fastest and produce the highest tone.
c)
String X will vibrate the slowest and produce the lowest tone.
d)
Strings Y and Z will produce the same sound.
15.
By passing white light through a prism, you can tell —
a)
that white light is actually a mixture of 7 different colors.
b)
the mass of the prism.
c)
the original source of the light.
d)
that blue light is brighter than white light.
16.
The picture shows a study that Isaac Newton made with a prism to produce a spectrum. Newton's discovery led most directly to an understanding of the cause of —
a)
x-rays
b)
sunspots
c)
rainbows
d)
starlight
17.
One student played high pitch notes and then low pitch notes on a guitar.
What caused the difference in the high pitch and low pitch notes?
What caused the difference in the high pitch and low pitch notes?
a)
the age of the guitar strings
b)
the color of the guitar strings
c)
the material of the guitar strings
d)
the vibrations of the guitar strings
18.
What do light and sound have in common?
a)
They both need a medium in order to travel.
b)
They both can be seen.
c)
They are both forms of energy.
d)
They both travel through outer space.
19.
I am an astronaut, floating in my spacesuit in outer space. I see another astronaut, floating in her spacesuit. I want to communicate with her. Which method would be successful?
a)
shine a light in Morse code to represent letters
b)
shout at her
c)
make a loud bang
d)
run over to her
20.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
21.
Bats use ________ to locate mosquitoes in the air.
a)
solar
b)
ecology
c)
echolocation
d)
evolution
22.
How high or low a sound is called_________.
a)
pitch
b)
patch
c)
pihment
d)
scream
23.
Why does a yellow banana appear to look yellow?
a)
The banana absorbs all other colors and only reflects yellow light
b)
The banana absorbs yellow light from the sun.
c)
The banana is opaque and does not let yellow light through
d)
The banana absorbs red light and reflects yellow
24.
What happens when light strikes a translucent object?
a)
All of the light passes through the object.
b)
All of the light is reflected by the object.
c)
Some of the light passes through and some of the light is scattered or absorbed.
25.
What happens when light hits a transparent object?
a)
All of the light passes through.
b)
None of the light passes through
c)
Some of the light passes through and some is reflected.
26.
What happens when light strikes an opaque object?
a)
All of the light passes through the object.
b)
All of the light is reflected through the object.
c)
None of the light is passed through the object.
27.
Which of these is a translucent object?
a)
rug
b)
desk
c)
glass
d)
frosted glass
28.
Which is an opaque object?
a)
window
b)
dog
c)
diamond
29.
Which object is transparent?
a)
wax paper
b)
window
c)
diamond ring
30.
You see yourself in a mirror because light waves are
a)
diffracted
b)
reflected back at you
c)
refracted to a focal point
31.
The law of reflection states that light is reflected off a surface at the same angle it hits the surface. The angle that leaves the surface is called the angle of ...
a)
refraction
b)
reflection
c)
absorption
32.
The bending of light as it passes from one material to another is called___________. An example is when light passes from air to the glass of water.
a)
Absorption
b)
Refraction
c)
Reflection
33.
If you strike a ruler with your hand while the other side is fixed on the table. What is the sound you hear?
a)
The sound inside the ruler comes out.
b)
The energy inside the ruler changes to sound.
c)
The back and forth motion of the ruler produces the sound.
34.
What is something with a low pitch sound and low frequency vibrations?
a)
bird
b)
whistle
c)
man's voice
35.
The more vibrations that a wire makes means the ___________________ the pitch will be.
a)
lower
b)
higher
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