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Worksheets4I2_WEEK 8_SOUND
Total questions: 40
Worksheet time: 22mins
An object that does not vibrate cannot produce ________
(Một vật thể không dao động/rung sẽ không thể tạo ra ________)
(a)
electricity
heat
light
__________ means to move back and forth quickly.
(a)
Echo
Amplitude
Pitch
Sound is a form of energy produced by (a) .
Sound does not travel in space because ________
(a)
Space is the final frontier
Space is too far away.
Space has planets.
What happens when you dip the tuning fork in the water?
the water vibrates
the water does not vibrate
How high or low a sound is
pitch
acoustics
sound
volume
How loud or soft the sound is
wavelength
acoustics
pitch
volume
Sound waves travel slowest through a _____
solid
gas
liquid
Sound waves travel fastest through a ______
solid
gas
liquid
___________ is made when something vibrates
sound
light
drum
pounding
The volume of a sound is measured in units called ________
sound waves
liters
decibels
inches per minute
Sound travels through the air as waves.
False
True
What is vibration?
the loudness or softness of a sound
the back and forth movement of matter
how loud a sound is
how high or low a sound is
A longer string makes a _______ pitch than a short string.
lower
softer
higher
louder
What is volume?
the number of vibrations per second
how high or low a sound is
vibrations
the loudness or softness of a sound
Mary shortens one string on her violin. How would that affect the sound of that string? (Mary cắt ngắn một dây đàn violin. Điều này sẽ ảnh hưởng như thế nào đến âm thanh của sợi dây?)
The pitch will be higher.
The pitch will be lower.
The volume will be louder.
The volume will be softer.
Which statement is true about strings?
Thick and thin strings vibrate at the same speed.
Thinner strings vibrate faster than thicker ones.
Thicker strings vibrate faster than thinner ones.
The thickness of the strings does not impact vibrations.
Why can't we hear sound in space?
Space has no mass/no gas/solids/liquids
Can't take our helmet off to hear
Because it's dark
Don't know, i've never been to space
Large vibrations cause _________sounds
Low
Lowest
Quiet
Loud
We hear sounds when they enter ________
Nose
Ear
Eyes
Head
_________________ vibrations make sounds with low pitches.
fast
slow
__________________ vibrations make sounds with high pitches
slow
fast
Sound waves cannot travel through ...................
gas
liquid
solid
vacuum or space
Two girls whispering to her friend. The volume of her sound is . . . (2 cô bé nói thầm với nhau. Âm lượng của âm thanh sẽ ...)
silent
loud
medium
soft
How does a baby screaming compare to leaves rustling? (So sánh âm thanh của em bé đang hét và tiếng xào xạc của lá cây?)
they both have the same volume
the baby has a softer volume
the baby has a louder sound
neither one is sound
Does fast vibrations make high or low sounds?
low
high
Does slow vibrations make high or low sounds?
low
high
Sound travels 4 times ____________than through water than through air.
faster
slower
higher
lower
There is no sound in ______________.
electricity
air
water
space
Sound travels in _____________.
zig zag
waves
electricity
light
Sound __________ through all form of matter: solids, liquids and gases.
stays
stops
can't move
travels
Sound is a form of energy made by ____________
electricity
vibration
light
volume
Which wave has the higher frequency? Blue or red?
blue
red
Sound always comes from a ______.
source
start
vibration
thing
The ______ the vibrations, the _______ the sound is.
(Choose 2 options)
bigger / louder
bigger / softer
smaller / louder
smaller / softer
Examples of loud sounds:
church bell, baby crying, loudspeaker
bee flying, leaves falling, car starting
thunder, rocket, whispering
Sound waves tend to travel more __________in gases
fast
quickly
slowly
normally
What is this called?
pitch
wavelength
volume
wave
__________ is how high or low a sound is.
volume
waves
pitch
vibration
__________ is how loud or soft sound is.
vibration
volume
sound
energy
