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WorksheetsPhysical Science Ch. 10
Total questions: 71
Worksheet time: 36mins
What is a repeating disturbance that transfers energy through matter or space?
thunder
waves
resonance
refraction
Waves transfer energy _______ the source its disturbance.
closer to
next to
farther from
toward
A vibration occurs in an instant.
true
false
Waves carry energy.
true
false
Waves carry matter.
true
false
A wave needs ________ to move.
matter
energy
Mechanical waves require a ________ to move through.
room
vacuum
space
medium
Which are mechanical waves?
sound
transverse
compressional
seismic
Elect all that can be a medium for a mechanical wave.
solid and liquid only
solid and gas only
solid, liquid, gas, or a combination of them
gas and liquid only
Which type of wave over at a right angle to the direction the wave travels?
transverse
compressional
Ocean waves are a ___________ wave.
transverse
compressional
sound
radio
The medium this wave passes through moves back and forth in the same direction the wave travels.
longitudinal
transverse
compressional
sound
Sound waves are this type of wave.
transverse
compressional
These waves are caused by the breaking of Earth's crust.
sound
seismic
radio
ocean
What are the two parts of a transverse wave?
crest
compression
rarefaction
trough
What are the two parts of a longitudinal wave?
crest
compression
rarefaction
trough
Seismic waves are
compressional
transverse
neither compressional or transverse
both compressional and transverse
The distance from one point on a wave and the nearest point just like it
frequency
wavelength
period
amplitude
Describes the number pf wavelengths that pass a point each second.
period
wavelngth
amplitude
frequency
Standard unit of measure for frequency
dB (decibels)
Hz (hertz)
f (frequency)
s (seconds)
The amount of time it takes one wavelength tp pass a point
frequency
minute
period
amplitude
Periods are measured in units of
seconds
minutes
hertz
decibels
As the frequency of a wave increases, the period ______.
increases
decreases
stays the same
As the frequency increases, the wavelength ___________.
increases
decreases
remains unchanged
Wave speed depends on which 2 things?
space
medium
temperature
Most waves travel fastest through
solid
liquid
gas
space
Most waves travel slowest through
solid
liquid
gas
space
Which waves travel fastest through air or empty space?
sound
seismic
light
heat
Sound waves travel faster when
temperature decreases
temperature increases
temperatures reaminunchanged
they travel through gases
When calculating wave speed, you
multiply the frequency and wavelength
add the frequency and wavelength
divide the frequency by the wavelength
divide the wavelength by the frequency
Energy carried by a wave is its
wavelength
frequency
amplitude
compression
In a compressional wave, when the compression is more dense, the rarefaction is
closer together
more dense
farther apart
less dense
A transverse wave has a ____ amplitude when the crests are shorter.
higher
lower
in between
The higher the amplitude, the higher the
frequency
energy
Waves behave in the following ways
retraction
reflection
diffraction
refraction
When a wave strikes an object and bounces off
refraction
diffraction
retraction
reflection
All waves can be reflected.
true
false
Which are examples of wave reflection?
AM radio
echo
earthquake
mirror
What causes most water waves to occur?
wind speed
wind direction
times wind blows
the distance the wind travels across the water
The Law of Reflection describes the relationship among the angles of
incidence
normal
reflection
mirror
The angle of incidence _______ the angle of reflection.
is greater than
is less than
is equal to
What does the 1 represent?
angle of reflection
angle of incidence
What does the 2 represent?
angle of reflection
angle of incidence
What is the bending of a wave that is caused by a change in speed as it passes through a medium?
diffraction
reflection
refraction
rarefaction
The greater the change in speed as it moves from one medium to another, the ____ the bend.
smaller
greater
Sound travels ____ in warm air than in cold air.
faster
slower
the same
On warm days, sound bends ____________ the ground.
toward
away from
On warm days, sound travels
father than on cold days
a shorter distance than on cold days
the same as cold days
On cold days, sound travels
father than on warm days
a shorter distance than on warm days
the same as warm days
On cold days, sound bends ____________ the ground.
toward
away from
Air over a lake is ___, so sounds travel _______.
warmer, father
warmer, not as far
colder, not as far
colder, farther
Light waves travel _______ in water than in air causing them to refract.
faster
slower
the same
When light waves travel from air to water, the refracted ray bends ___ the normal.
toward
away from
Occurs when an object causes a wave to change direction and bend around an object.
refraction
diffraction
reflection
rarefaction
Occurs when a wave passes through a narrow opening.
refraction
rarefaction
reflection
diffraction
The amount of diffraction depends on the size of the obstacle or opening compared to its
wave speed
wave frequency
wave length
wave period
When the object and wavelength are similar, there is
more bending
less bending
Diffraction is better when for sound waves with
long wavelengths
short wavelengths
equal wavelengths
You can hear car engines around the corner, but not the wind caused any the car because
wind's sound waves have a longer wavelength
the engine's sound waves have a longer wavelength
wind's sound waves have a shorter wavelength
the engine's sound waves have a shorter wavelength
Which radio waves have better reception in a city with tall buildings?
AM
FM
Which radio waves have longer wavelengths?
FM
AM
Radio reception is affected in New York City because it is
full of tall buildings
cold
known as urban canyons
there are not enough towers
Waves diffract, or bend, more through ________ openings.
larger
smaller
When two waves overlap and combine to form a new wave
diffraction
refraction
interference
reflection
When the crest of 2 waves arrive at the same time and place, it is ______________ interference.
constructive
destructive
Constructive interference ________ amplitude.
decreases
increses
does not change
When the crest of one wave intersects the trough of a second wave, there is a ____________ in amplitude.
increase
decrease
no change
Noise cancelling headphones are an example of ___________ interference at work.
constructive
destructive
A special wave pattern that forms when a wave with equal frequencies and amplitudes travel toward each other & continuously interfere
wavelength
frequncy
standing wave
period
Resonance is when an object is made to absorb ____________ at its natural _______________.
frequency, energy
sunlight, source
energy, frequency
waves, frequency
In resonance, an object can be destroyed by absorbing too much energy.
true
false
