WorksheetsUnit Test: Unit 3 (Sound Energy)
Total questions: 25
Worksheet time: 2hrs 5mins
What is sound?
Sound is a type of energy made by vibrations.
Sound is a type of energy made by sound waves.
Sound is a type of energy made by vibrating.
Sound is a type of energy made by music.
How can we hear the sound?
We can hear the sound through the atmosphere.
We can hear the sound through a vacuum.
We can hear the sound through the space.
We can hear the sound through the air’s vibration.
Where does sound come from?
Sound comes from an animal.
Sound comes from everything around us.
Sound comes from an object.
Sound comes from a human.
What are the things that produce sound called?
pollution
music
source
nothing
How does sound travel?
Sound travels through a medium such as air, objects and water.
Sound travels through a vacuum.
Sound travels through the space.
Sound travels through an object only.
Which is NOT a medium for sound?
air
water
object
vacuum
What makes a low-pitched sound?
A large amplitude gives a low-pitched sound.
A small amplitude gives a low-pitched sound.
A low frequency wave makes a low-pitched sound.
A high frequency wave makes a low-pitched sound.
What makes a high-pitched sound?
A high frequency wave makes a high-pitched sound.
A low frequency wave makes a high-pitched sound.
A small amplitude gives a high-pitched sound.
A large amplitude gives a high-pitched sound.
What is the unit for sound?
kilogram (kg)
meter (m)
Newton (N)
decibel (dB)
What is a pleasant sound?
A pleasant sound is when sound is not good.
A pleasant sound is when sound wave is smooth and regular.
A pleasant sound is when sound wave is jagged and irregular.
A pleasant sound is when sound is loud and disruptive.
What is an unpleasant sound?
An unpleasant sound is when sound is good.
An unpleasant sound is when sound is quiet and faint.
An unpleasant sound is when sound wave is regular and smooth.
An unpleasant sound is when sound wave is irregular and has a jagged shape.
A small amplitude gives a ____________ sound.
loud
quiet
noisy
zero
A large amplitude gives a ____________ sound.
soft
faint
quiet
loud
What is the common source of noise pollution?
transportation
insects
objects
space
What are loud and unpleasant sounds called?
Loud and unpleasant sounds are called source.
Loud and unpleasant sounds are called noises.
Loud and unpleasant sounds are called music.
Loud and unpleasant sounds are called note.
Which of the following is NOT a source of noise pollution?
humans
machinery
animals
space
_________________ refers to sounds that are loud, unpleasant, and disruptive to human and animal life.
noise pollution
air pollution
water pollution
light pollution
We can use a _____________________ to measure the loudness of a sound.
sound level meter
microphone
radio
tape recorder
Who was the scientist who invented the telephone and "decibel" was named after him?
Isaac Newton
Alexander the Great
Alexander Graham Bell
Galileo Galilei
The following are the ways to protect our ears from loud sound and noise pollution. Which is NOT belong to the group?
Rest your ears in a quiet environment at night.
We must wear ear protectors when working with loud machines to protect our ears.
We should stay from the sources of noise.
Keep the volume on music players, stereos and TV sets low.
อุปกรณ์ in Thai is _________________.
instrument
instroment
vehicle
vihicle
ผลิต in Thai is ___________________.
project
prooject
produce
produse
อุปกรณ์ in Thai is _____________________.
devises
devices
function
fanction
อาการหูหนวก in Thai is __________________.
damage
damege
deafness
defness
ป้องกัน in Thai is ____________________.
prevent
privent
unwanted
unwantid
