WorksheetsTerm-1 Formative Gr-7
Total questions: 25
Worksheet time: 20mins
Pitch can be....
high or low
loud or soft
someone throwing something
full of water
Volume means it is....
high or low
loud or soft
too soft
too low
When something has a high pitch....
the molecules are moving slow
the molecules are not moving
the molecules are running
the molecules are moving fast
When you hit a tuning fork on a piece of wood, it makes a sound because it is __________________.
doesn't move
vibrates
Sound does not travel in space because
Space is too far away.
There is no matter in space.
Space is the final frontier
Space has planets.
Sound is a form of?
energy
pitch
volume
What medium does sound travel through slowest?
gas
solid
liquid
What part is #1?
Pinna
Ear Canal
Ear Drum
Oval Window
What happens to the eardrum when sound hits, causing transmission of sound to the inner ear?
it opens
it grows hair
it refracts the sound
it vibrates
which part of the ear is sound changed into electrical signals which are then sent to the brain?
outer ear
middle ear
hammer
inner ear
What are the three little bones is the middle ear called?
stirrup
cochlea
ossicles
eardrum
What does the Auditory nerve do?
Carries the message to the brain
Carries the message to the Semi-Circular canal
Send the message to the Eustachian tube
Frequency of waves is measured in
Hertz
Decibels
Watts
Two sound waves of different frequencies interfere and produce a resulting waveform shown with four points (W, X, Y, and Z) marked on the new wave.
At which point will the sound be the loudest ?
W
X
Y
Z
Match the description to the graph:
"The car is coming back."
Where is the object not moving
D-E
O-A
C-D
B-C
At segment O-A, the bus is _________________.
at rest
accelerating
moving constantly
Which of these graphs do not show the object staying still?
