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WorksheetsUnit 8 Waves Study Guide - Part One
Total questions: 51
Worksheet time: 26mins
A wave moves energy in the same direction that it _________
propagates
stops
refracts
A wave transfers energy but does/does not transfer matter.
does
does not
The substance through which a wave moves is known as the ________.
medium
energy
frequency
In a ____________________ wave, the coils move parallel to the direction that the wave travels.
Scarlett is observing a slinky stretched out on the floor. She notices that in some areas, the coils are spread out. These areas are called ________________
close; compression
separation
rarefaction
An area where the coils are close together is called a ______________.
compression
separation
rarefaction
When Charlie shakes one end of a slinky up and down, the coils of the slinky move perpendicularly to the direction that the wave travels. This is an example of a _________________ wave.
transverse
longitudinal
The ________________ point of the wave is called a crest.
lowest
highest
The lowest point of the wave is called a ___________
crest
trough
The upper wave has more/less energy than the bottom wave, because the amplitude/wavelength/frequency of the upper wave is greater than that of the bottom wave.
Look at the image of the waveform. Approximately how many wavelengths are shown?
Aiden is watching a colorful beach ball bob up and down on the surface of the ocean. Which medium is the wave traveling through?
a. air
b. water
c. plastic
Think about how sound travels and decide whether a person outside the boxes would be able to hear the balloon pop. Explain why or why not.
When Michael is watching waves move across a pond, a measure of how far a water droplet moves away from its normal rest position is the ______________________.
frequency
amplitude
speed
Abigail is tuning her radio and notices that the stations are listed by their frequency. Frequency is usually expressed in ___________
nanometers
hertz
Wave speed, like all speeds, is measured in units of distance divided by time, such as __________________
The ________________ of a wave increases as the energy increases.
amplitude
wavelength
The relationship between amplitude and wave energy is that energy is ________________ to amplitude squared.
Daniel is conducting an experiment and needs to choose a material through which sound can travel. The material can be air, water, steel, or any other substance. In this context, what is this material called?
medium
frequency
wavelegth
Kai is conducting an experiment in a laboratory. He creates a space that contains no particles of matter. This space is called a ___________________. According to science, a vacuum is not a medium.
medium
vacuum
wave
James is conducting an experiment in his science class. He notices that certain types of waves cannot travel through a vacuum and require air, water, or another substance to move. The defining characteristic of ___________________ waves is the need for a medium.
mechanical
longitudinal
sound
Waves from a ________ in the water, a friend _________________, and _____________ waves moving through the ground are examples of mechanical waves. Select all that apply
Nora is listening to music in her room. The sound waves from the speaker are a type ___________________ mechanical wave and can travel through gases, liquids, and solids.
longitudinal
transverse
Olivia is conducting an experiment to see how sound travels through different materials. She notices that the speed of sound changes depending on the ______________ of the medium through which the waves travel.
color
density
Explain how sound travels faster and slower through different mediums.
This diagram represents a sound wave traveling from left to right. As the wave passes the location of the particle represented by the red dot, how does the particle move?
Which statements are true about the diagram of the ball in the water?
While at the beach, Peyton noticed that when she dropped a pebble into the water, ______________ waves spread out through the water over time, and they spread out in as many directions as they are able.
longitudinal
mechanical
When Lily throws a pebble into a calm pond, ________________ waves on water spread out in a circle around the original disturbance.
surface
sound
When Mason claps his hands in an open field, ______________ waves in the air spread out as a sphere around the source of the sound.
surface
sound
When energy is absorbed by a medium, the medium ____________ energy, and the wave gains that energy.
gains
loses
When sunlight passes through a window and is absorbed by the glass, the glass gains energy, and the sunlight wave ___________ that energy.
loses
gains
Explain why a high pitch sound does not travel as far as a low pitch sound.
Arin is listening to music in his room. Which statement best describes how the sound waves from the speakers reach his ears?
A. Sound waves are transferred from molecule to molecule in a medium.
B. Sound waves pass through the spaces between the molecules of a medium.
C. Sound waves push all the molecules of a medium in front of them, creating a shock wave.
A wave is moving from a denser medium to a less dense medium, as shown in the diagram. What can you conclude about the behavior of the wave at the boundary? Select all that apply.
A. Some of the wave’s energy continues into the less dense medium.
B. A portion of the wave is reflected back into the denser medium.
C. The wave causes particles to permanently move from one medium to the other.
Acoustic panels (shown below) are primarily used in music studios to control which property of sound: absorption, reflection, or transmission?
absorption
reflection
transmission
The recording booth shown has a window through which sound may be transmitted. Which of the following window structures would transmit the least amount of sound?
When Sophia shouts across a canyon and hears her voice bounce back after hitting the opposite wall, this is an example of a (n)____________ that can occur when a mechanical wave contacts a new medium.
echo
compression
noise
Benjamin is playing with a ball and throws it against a wall. When the ball bounces off the wall and comes back to him, this is similar to when a wave bounces off the boundary and travels back through the original medium. This is called a ________
refraction
compression
reflection
Nora is at a swimming pool and notices that when she shouts towards a wall, some of her voice bounces back as an echo while some continues forward. In this situation, the original sound wave becomes two waves and the energy from the original wave is ____________ between the transmitted wave and the reflected wave.
lost
split
reflected
When Benjamin notices that a straw appears bent when placed in a glass of water because the path of light waves bends due to a change in wave speed, ________________ occurs.
compression
refraction
reflected
While swimming in a pool, Evelyn notices that when she looks at a stick partly submerged in water, it appears bent. The amount of __________________ depends on the angle at which the light wave encounters the water's surface and how much the speed of the wave changes.
compression
refraction
reflected
Emma is conducting an experiment to observe how light travels through different materials. She uses a graph that shows the speed of light in a vacuum, water, glass, and diamond. Based on the information in the graph, which statements are supported? Select all that apply.
A. Light travels at the same speed in water, glass, and diamonds
B. Light travels the fastest in a vacuum compared to the various media.
C. Light cannot travel through any media at all.
D. Light travels slower in media than it does in a vacuum.
E. Light can travel with or without a medium.
Kai places a shiny sphere in the garden, and he notices that he can see the flowers and trees reflected on its surface. What behavior of light is most clearly shown by the sphere?
A. refraction
B. absorption
C. transmission
D. reflection
Scarlett is looking at her garden in a shiny sphere placed on a stand. The image on the sphere appears curved because the sphere is a prism/ mirror (pick one).
prism
mirror
When light strikes the surface of a curved glass, it either reflects off or refracts through (choose one) the surface, which can make the image look unusual.
reflects off
refracts through
Light can pass through a transparent object in a ________ line.
straight
curved
Aiden is conducting an experiment to see how fast light can travel through different materials. He discovers that light travels most quickly through ________________, where it travels at a speed of about 300,000,000 m/s.
water
a vacuum
air
While walking outside on a sunny day, Olivia notices the different types of light around her. The light that humans readily see is called__________ light.
visible
infrared
ultraviolet
While helping Emma set up her science project, you notice that the EM spectrum is composed of many types of________ waves, including __________ , radio waves, and ____________________.
EM
Xrays
Ultraviolet
microwaves
Scarlett is learning about EM waves in her science class. She discovers that EM waves with shorter wavelengths carry more ____________.
energy
sound
amplitude
frequency
