Quiz about Unit 8 Waves Study Guide - Part One

Question 1

A wave moves energy in the same direction that it _________

Accepted Answer

propagates

Answer

stops

Answer

refracts

Question 2

A wave transfers energy but does/does not transfer matter.

Accepted Answer

does not

Answer

does

Question 3

The substance through which a wave moves is known as the ________.

Accepted Answer

medium

Answer

energy

Answer

frequency

Question 4

In a ____________________ wave, the coils move parallel to the direction that the wave travels.

Accepted Answer

longitudinal

Answer

mechanical

Question 5

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 ________________

Accepted Answer

rarefaction

Answer

close; compression

Answer

separation

Question 6

An area where the coils are close together is called a ______________.

Accepted Answer

compression

Answer

separation

Answer

rarefaction

Question 7

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.

Accepted Answer

transverse

Answer

longitudinal

Question 8

The ________________ point of the wave is called a crest.

Accepted Answer

highest

Answer

lowest

Question 9

The lowest point of the wave is called a ___________

Accepted Answer

trough

Answer

crest

Question 10

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.

Accepted Answer

more; amplitude

Answer

more; wavelength

Answer

less; amplitude

Answer

less; wavelength

Question 11

Look at the image of the waveform. Approximately how many wavelengths are shown?

Accepted Answer

8

Answer

6

Answer

7

Question 12

Aiden is watching a colorful beach ball bob up and down on the surface of the ocean. Which medium is the wave traveling through?

Accepted Answer

b. water

Answer

a. air

Answer

c. plastic

Question 13

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 ______________________.

Accepted Answer

amplitude

Answer

frequency

Answer

speed

Question 14

Abigail is tuning her radio and notices that the stations are listed by their frequency. Frequency is usually expressed in ___________

Accepted Answer

hertz

Answer

nanometers

Question 15

Wave speed, like all speeds, is measured in units of distance divided by time, such as __________________

Accepted Answer

meters per second

Answer

seconds per miles

Question 16

The ________________ of a wave increases as the energy increases.

Accepted Answer

amplitude

Answer

wavelength

Question 17

The relationship between amplitude and wave energy is that energy is ________________ to amplitude squared.

Accepted Answer

proportional

Answer

slower

Answer

faster

Question 18

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?

Accepted Answer

medium

Answer

frequency

Answer

wavelegth

Question 19

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.

Accepted Answer

vacuum

Answer

medium

Answer

wave

Question 20

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.

Accepted Answer

mechanical

Answer

longitudinal

Answer

sound

Question 21

Waves from a ________ in the water, a friend _________________, and _____________ waves moving through the ground are examples of mechanical waves. Select all that apply

Accepted Answer

boat

Accepted Answer

earthquake

Accepted Answer

shouting

Answer

person

Answer

sound

Question 22

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.

Accepted Answer

longitudinal

Answer

transverse

Question 23

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.

Accepted Answer

density

Answer

color

Question 24

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?

Accepted Answer

b.  The particle vibrates horizontally, moving both left and right.

Answer

a. The particle travels from left to right along with the sound wave.

Answer

c. The particle vibrates vertically, moving both up and down.

Question 25

Which statements are true about the diagram of the ball in the water?

Accepted Answer

B. The ball moves up and down as the wave passes  by.

Accepted Answer

C. The wave transfers energy as it moves.

Answer

A. The ball moves along with the wave as the wave moves.

Answer

D. The ball transfers energy to the wave.

Question 26

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.

Accepted Answer

mechanical

Answer

longitudinal

Question 27

When Lily throws a pebble into a calm pond, ________________ waves on water spread out in a circle around the original disturbance.

Accepted Answer

surface

Answer

sound

Question 28

When Mason claps his hands in an open field, ______________ waves in the air spread out as a sphere around the source of the sound.

Accepted Answer

sound

Answer

surface

Question 29

When energy is absorbed by a medium, the medium ____________ energy, and the wave gains that energy.

Accepted Answer

gains

Answer

loses

Question 30

When sunlight passes through a window and is absorbed by the glass, the glass gains energy, and the sunlight wave ___________ that energy.

Accepted Answer

loses

Answer

gains

Question 31

Arin is listening to music in his room. Which statement best describes how the sound waves from the speakers reach his ears?

Accepted Answer

A. Sound waves are transferred from molecule to molecule in a medium.

Answer

B. Sound waves pass through the spaces between the molecules of a medium.

Answer

C. Sound waves push all the molecules of a medium in front of them, creating a shock wave.

Question 32

Acoustic panels (shown below) are primarily used in music studios to control which property of sound: absorption, reflection, or transmission?

Accepted Answer

absorption

Answer

reflection

Answer

transmission

Question 33

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?

Accepted Answer

D. double panes of glass with a vacuum between them

Answer

A. a thin single pane of glass

Answer

B. a thick single pane of glass

Answer

C. double panes of glass with a dense gas between them

Question 34

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.

Accepted Answer

echo

Answer

compression

Answer

noise

Question 35

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 ________

Accepted Answer

reflection

Answer

refraction

Answer

compression

Question 36

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.

Accepted Answer

split

Answer

lost

Answer

reflected

Question 37

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.

Accepted Answer

refraction

Answer

compression

Answer

reflected

Question 38

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.

Accepted Answer

refraction

Answer

compression

Answer

reflected

Question 39

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.

Accepted Answer

B. Light travels the fastest in a vacuum compared to the various media.

Accepted Answer

D. Light travels slower in media than it does in a vacuum.

Accepted Answer

E. Light can travel with or without a medium.

Answer

A. Light travels at the same speed in water, glass, and diamonds

Answer

C. Light cannot travel through any media at all.

Question 40

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?

Accepted Answer

D. reflection

Answer

A. refraction

Answer

B. absorption

Answer

C. transmission

Question 41

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).

Accepted Answer

mirror

Answer

prism

Question 42

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.

Accepted Answer

reflects off

Answer

refracts through

Question 43

Light can pass through a transparent object in a ________ line.

Accepted Answer

straight

Answer

curved

Question 44

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.

Accepted Answer

a vacuum

Answer

water

Answer

air

Question 45

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.

Accepted Answer

visible

Answer

infrared

Answer

ultraviolet

Question 46

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 ____________________.

Accepted Answer

EM

Accepted Answer

Xrays

Accepted Answer

microwaves

Answer

Ultraviolet

Question 47

Scarlett is learning about EM waves in her science class. She discovers that EM waves with shorter wavelengths carry more ____________.

Accepted Answer

energy

Answer

sound

Answer

amplitude

Answer

frequency

Unit 8 Waves Study Guide - Part One

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science